APA (7e ed.) Bronvermelding

Não informado. (2018). Reprint Series. Northwestern University.

Chicago (17e ed.) Bronvermelding

Não informado. Reprint Series. Evanston, Ill: Northwestern University, 2018.

MLA (8e ed.) Bronvermelding

Não informado. Reprint Series. Northwestern University, 2018.

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