Não informado. (1970). Research report. Bureau of Sport Fisheries and Wildlife.
Style de citation Chicago (17e éd.)Não informado. Research Report. Washington: Bureau of Sport Fisheries and Wildlife, 1970.
Style de citation MLA (8e éd.)Não informado. Research Report. Bureau of Sport Fisheries and Wildlife, 1970.
Attention : ces citations peuvent ne pas être correctes à 100%.