APA (7e ed.) Bronvermelding
Gotthelf, A., & Lennox, J. G. (2011). Metaethics, egoism, and virtue: Studies in Ayn Rand's normative theory. University of Pittsburgh Press.
Chicago (17e ed.) Bronvermelding
Gotthelf, Allan, en James G. Lennox. Metaethics, Egoism, and Virtue: Studies in Ayn Rand's Normative Theory. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2011.
MLA (9e ed.) Bronvermelding
Gotthelf, Allan, en James G. Lennox. Metaethics, Egoism, and Virtue: Studies in Ayn Rand's Normative Theory. University of Pittsburgh Press, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.