APA (7e ed.) Bronvermelding

Não informado. (1971). SIG/DA newsletter. Association for Computing Machinery.

Chicago (17e ed.) Bronvermelding

Não informado. SIG/DA Newsletter. New York: Association for Computing Machinery, 1971.

MLA (8e ed.) Bronvermelding

Não informado. SIG/DA Newsletter. Association for Computing Machinery, 1971.

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