Dyfyniad APA
(1968). Indians, Eskimos and Aleuts of Alaska. U.S. Department of the Interior, Bureau of Indian Affairs.
Dyfyniad Arddull Chicago
Indians, Eskimos and Aleuts of Alaska. Washington, D.C.: U.S. Department of the Interior, Bureau of Indian Affairs, 1968.
Dyfyniad MLA
Indians, Eskimos and Aleuts of Alaska. U.S. Department of the Interior, Bureau of Indian Affairs, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.