Dyfyniad APA

Kay, P. (2007). The sound of laughter. Arrow Books.

Dyfyniad Arddull Chicago

Kay, Peter. The Sound of Laughter. London: Arrow Books, 2007.

Dyfyniad MLA

Kay, Peter. The Sound of Laughter. Arrow Books, 2007.

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