Dyfyniad APA

Time Life Books. (1987). Speed and Power. Time life books.

Dyfyniad Arddull Chicago

Time Life Books. Speed and Power. Alexandria: Time life books, 1987.

Dyfyniad MLA

Time Life Books. Speed and Power. Time life books, 1987.

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