Dyfyniad APA
Joy, T. (1964). The truth about bookselling. Sir Isaac Pitman & Sons.
Dyfyniad Arddull Chicago
Joy, Thomas. The Truth About Bookselling. London: Sir Isaac Pitman & Sons, 1964.
Dyfyniad MLA
Joy, Thomas. The Truth About Bookselling. Sir Isaac Pitman & Sons, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.