Não informado. (1931). Investigational report. U.S. Department of Commerce, Bureau of Fisheries.
Style de citation Chicago (17e éd.)Não informado. Investigational Report. Washington: U.S. Department of Commerce, Bureau of Fisheries, 1931.
Style de citation MLA (8e éd.)Não informado. Investigational Report. U.S. Department of Commerce, Bureau of Fisheries, 1931.
Attention : ces citations peuvent ne pas être correctes à 100%.