Não informado. (1959). Russian Engineering Journal. Production Engineering Research Association.
Chicago-viite (17. p.)Não informado. Russian Engineering Journal. Melton Mowbray, Inglaterra: Production Engineering Research Association, 1959.
MLA-viite (8. p.)Não informado. Russian Engineering Journal. Production Engineering Research Association, 1959.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.