Dyfyniad APA

Park, J. (1981). The wind power book. Chesire Books.

Dyfyniad Arddull Chicago

Park, Jack. The Wind Power Book. Palo Alto: Chesire Books, 1981.

Dyfyniad MLA

Park, Jack. The Wind Power Book. Chesire Books, 1981.

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