Não informado. (1893). Alaska Fishery and Fur Seal Industries. U.S. Fish and Wildlife Service.
Chicago-Zitierstil (17. Ausg.)Não informado. Alaska Fishery and Fur Seal Industries. Washington: U.S. Fish and Wildlife Service, 1893.
MLA-Zitierstil (8. Ausg.)Não informado. Alaska Fishery and Fur Seal Industries. U.S. Fish and Wildlife Service, 1893.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.