APA (7e ed.) Bronvermelding

Library of Congress. Copyright Office. Copyright Renewals 1953.

Chicago (17e ed.) Bronvermelding

Library of Congress. Copyright Office. Copyright Renewals 1953.

MLA (9e ed.) Bronvermelding

Library of Congress. Copyright Office. Copyright Renewals 1953.

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