APA (7e ed.) Bronvermelding

Williams, N. (2009). Duty and responsibility. Epitome Books.

Chicago (17e ed.) Bronvermelding

Williams, Nancy. Duty and Responsibility. New Delhi: Epitome Books, 2009.

MLA (9e ed.) Bronvermelding

Williams, Nancy. Duty and Responsibility. Epitome Books, 2009.

Let op: Deze citaties zijn niet altijd 100% accuraat.