APA (7e ed.) Bronvermelding

Não informado. (1893). Alaska Fishery and Fur Seal Industries. U.S. Fish and Wildlife Service.

Chicago (17e ed.) Bronvermelding

Não informado. Alaska Fishery and Fur Seal Industries. Washington: U.S. Fish and Wildlife Service, 1893.

MLA (8e ed.) Bronvermelding

Não informado. Alaska Fishery and Fur Seal Industries. U.S. Fish and Wildlife Service, 1893.

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