Não informado. (1977). Informatics Abstracts. All-Union Institute of Scientific and Technical Information.
Chicago-viite (17. p.)Não informado. Informatics Abstracts. Moscow: All-Union Institute of Scientific and Technical Information, 1977.
MLA-viite (8. p.)Não informado. Informatics Abstracts. All-Union Institute of Scientific and Technical Information, 1977.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.