APA (7e ed.) Bronvermelding

Não informado. (1964). IBP news. International Council of Scientific Unions, Special Committee for the International Biological Programme.

Chicago (17e ed.) Bronvermelding

Não informado. IBP News. London: International Council of Scientific Unions, Special Committee for the International Biological Programme, 1964.

MLA (8e ed.) Bronvermelding

Não informado. IBP News. International Council of Scientific Unions, Special Committee for the International Biological Programme, 1964.

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