Dyfyniad APA

J. Whitaker & Sons. (1988). Whitaker's books in print. J. Whitaker & Sons.

Dyfyniad Arddull Chicago

J. Whitaker & Sons. Whitaker's Books in Print. London: J. Whitaker & Sons, 1988.

Dyfyniad MLA

J. Whitaker & Sons. Whitaker's Books in Print. J. Whitaker & Sons, 1988.

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