APA (7e ed.) Bronvermelding

Não informado. (1974). AID research and development abstracts. Agency for International Development.

Chicago (17e ed.) Bronvermelding

Não informado. AID Research and Development Abstracts. Washington: Agency for International Development, 1974.

MLA (8e ed.) Bronvermelding

Não informado. AID Research and Development Abstracts. Agency for International Development, 1974.

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