APA (7e ed.) Bronvermelding

Não informado. USSR and eastern europe scientific abstracts. Joint Publications Research Service.

Chicago (17e ed.) Bronvermelding

Não informado. USSR and Eastern Europe Scientific Abstracts. Arlington, Wash: Joint Publications Research Service.

MLA (8e ed.) Bronvermelding

Não informado. USSR and Eastern Europe Scientific Abstracts. Joint Publications Research Service.

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