APA (7e ed.) Bronvermelding

Não informado. (1971). ASIS Handbook & Directory. American Society for Information Science.

Chicago (17e ed.) Bronvermelding

Não informado. ASIS Handbook & Directory. Washington: American Society for Information Science, 1971.

MLA (8e ed.) Bronvermelding

Não informado. ASIS Handbook & Directory. American Society for Information Science, 1971.

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