I Feel Like a Somebody When... (children's book that introduces issues related to rankism), Stephanie Heuer (2005) YubaNet.com - '"Executive" monkeys influenced by other executives, not subordinates', Duke University Medical Center (March 22, 2006)
I Feel Like a Somebody When... (παιδικό βιβλίο που παρουσιάζει θέματα που σχετίζονται με rankism), Stephanie Heuer (2005) YubaNet.com - " "Executive" monkeys influenced by other executives, not subordinates", Ιατρικό κέντρο του Πανεπιστημίου Duke University (March 22, 2006)