APA (7e ed.) Bronvermelding

Não informado. (1970). Research report. Bureau of Sport Fisheries and Wildlife.

Chicago (17e ed.) Bronvermelding

Não informado. Research Report. Washington: Bureau of Sport Fisheries and Wildlife, 1970.

MLA (8e ed.) Bronvermelding

Não informado. Research Report. Bureau of Sport Fisheries and Wildlife, 1970.

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