Purdue Owl. owl.english.purdue.edu/owl/resource/560/09 Purdue Owl. Purdue OWL APA site. Reference List: Other Print Sources https://owl.english.purdue.edu/owl/resource/560/09/ owl.english.purdue.edu/owl/resource/560/09 Purdue Owl. https://owl.english.purdue.edu/owl/resource/560/09/ Purdue OWL: Work Discussed in a Secondary Source (APA) https://owl.english.purdue.edu/owl/resource/560/09/ Purdue Owl. https://owl.english.purdue.edu/owl/resource/560/09/ Purdue Owl. https://owl.english.purdue.edu/owl/resource/560/09/ Purdue Owl. https://owl.english.purdue.edu/owl/resource/560/09/ Reference List: Other Print Sources https://owl.english.purdue.edu/owl/resource/560/09/ Purdue Owl. https://owl.english.purdue.edu/owl/resource/560/09/ http://owl.english.purdue.edu/owl/resource/560/09/ https://owl.english.purdue.edu/owl/resource/560/09/ https://owl.english.purdue.edu/owl/resource/560/09/ Purdue Owl. https://owl.english.purdue.edu/owl/resource/560/09/ owl.english.purdue.edu/owl/resource/560/09 https://owl.english.purdue.edu/owl/resource/560/09/ Reference List: Other Print Sources Other Print Sources https://owl.english.purdue.edu/owl/resource/560/09/ Purdue Owl. Other Print Sources (Purdue OWL) Purdue Owl. Purdue Owl. Purdue Owl. accessed online https://owl.english.purdue.edu/owl/resource/560/09/ Purdue Owl. Purdue Owl. https://owl.english.purdue.edu/owl/resource/560/09/ https://owl.english.purdue.edu/owl/resource/560/09/ Purdue Owl. Purdue Owl. https://owl.english.purdue.edu/owl/resource/560/09/ Reference List: Other Print Sources http://owl.english.purdue.edu/owl/resource/560/09/ owl.english.purdue.edu/owl/resource/560/09 https://owl.english.purdue.edu/owl/resource/560/09/ Purdue Owl. https://owl.english.purdue.edu/owl/resource/560/09/ Purdue Owl.