Gw mau tau Catatan dari Sistem penulisan referensi Harvard

American Psychological Association (2001). Citations in Text of Electronic Material, APA Style.

Bourneuf, Joe. (n.d.) Harvard style. Widener Library.

British Standards Institution (1990). Recommendations for citing and referencing published material, 2nd ed., London: British Standards Institution.

Chernin, Eli (1988). , British Medical Journal, v. 297, 1062-1063, October 22, 1988.

Chicago Manual of Style (2003), 15th ed. Chicago: University of Chicago Press. book: ISBN 0-226-10403-6 ; CD-ROM: ISBN 0-226-10404-4 ;

Council of Science Editors (2006). Scientific Style and Format: The CSE Manual for Authors, Editors, and Publishers, 7th ed. Reston, VA (USA): CSE. ISBN 0-9779665-0-X. -

Curtin University (2007). , Curtin University of Technology.

Mark, Edward Laurens (1881). Maturation, fecundation, and segmentation of Limax campestris. Bulletin of the Museum of Comparative Zoology vol. 6, part 2, no. 12: 173–625.

Roediger, Roddy (2004).  APS Observer, 17.4.