APA (7e ed.) Bronvermelding

Não informado. (1981). Soviet Engineering Research. Production Engineering Research Association.

Chicago (17e ed.) Bronvermelding

Não informado. Soviet Engineering Research. Melton Mowbray, Inglaterra: Production Engineering Research Association, 1981.

MLA (8e ed.) Bronvermelding

Não informado. Soviet Engineering Research. Production Engineering Research Association, 1981.

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