APA (7e ed.) Bronvermelding

Não informado. (1977). Informatics Abstracts. All-Union Institute of Scientific and Technical Information.

Chicago (17e ed.) Bronvermelding

Não informado. Informatics Abstracts. Moscow: All-Union Institute of Scientific and Technical Information, 1977.

MLA (8e ed.) Bronvermelding

Não informado. Informatics Abstracts. All-Union Institute of Scientific and Technical Information, 1977.

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