Dyfyniad APA

Canadian Wildlife Service & Brown, R. G. B. (1975). Atlas of eastern Canadian seabirds. Canadian Wildlife Service.

Dyfyniad Arddull Chicago

Canadian Wildlife Service and Richard G. B. Brown. Atlas of Eastern Canadian Seabirds. Ottawa: Canadian Wildlife Service, 1975.

Dyfyniad MLA

Canadian Wildlife Service and Richard G. B. Brown. Atlas of Eastern Canadian Seabirds. Canadian Wildlife Service, 1975.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.