Dyfyniad APA

Cook, R. C. (1977). Fungi,man and his enviornment. Longman.

Dyfyniad Arddull Chicago

Cook, R C. Fungi,man and His Enviornment. London: Longman, 1977.

Dyfyniad MLA

Cook, R C. Fungi,man and His Enviornment. Longman, 1977.

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