Dyfyniad APA

Fitzharris, T., & Livingston, J. A. (1988). Canada: A natural history. Viking Studio Books.

Dyfyniad Arddull Chicago

Fitzharris, Tim, and John A. Livingston. Canada: A Natural History. Markham, Ont: Viking Studio Books, 1988.

Dyfyniad MLA

Fitzharris, Tim, and John A. Livingston. Canada: A Natural History. Viking Studio Books, 1988.

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