APA (7e ed.) Bronvermelding

Não informado. (1973). Reference Services Review. Pierian Press Publication.

Chicago (17e ed.) Bronvermelding

Não informado. Reference Services Review. Ann Arbor, Mich: Pierian Press Publication, 1973.

MLA (8e ed.) Bronvermelding

Não informado. Reference Services Review. Pierian Press Publication, 1973.

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