Dyfyniad APA

Irving, L. (1972). Arctic life of birds and mammals including man. Springer verlag.

Dyfyniad Arddull Chicago

Irving, Laurence. Arctic Life of Birds and Mammals Including Man. New York: Springer verlag, 1972.

Dyfyniad MLA

Irving, Laurence. Arctic Life of Birds and Mammals Including Man. Springer verlag, 1972.

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