APA (7e ed.) Bronvermelding

Velasquez, M. G. (2008). Philosophy: A text with readings (10th ed.). Thomson/Wadsworth.

Chicago (17e ed.) Bronvermelding

Velasquez, Manuel G. Philosophy: A Text with Readings. 10th ed. Australia ; Belmont, CA: Thomson/Wadsworth, 2008.

MLA (9e ed.) Bronvermelding

Velasquez, Manuel G. Philosophy: A Text with Readings. 10th ed. Thomson/Wadsworth, 2008.