Dyfyniad APA

Harlow, W. M. (1957). Trees of the eastern and central United States and Canada. Dover.

Dyfyniad Arddull Chicago

Harlow, William M. Trees of the Eastern and Central United States and Canada. Nueva York: Dover, 1957.

Dyfyniad MLA

Harlow, William M. Trees of the Eastern and Central United States and Canada. Dover, 1957.

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