Dyfyniad APA

Time-Life Books. (1989). Transformations. Time-Life Books.

Dyfyniad Arddull Chicago

Time-Life Books. Transformations. Alexandria, VA: Time-Life Books, 1989.

Dyfyniad MLA

Time-Life Books. Transformations. Time-Life Books, 1989.

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