Dyfyniad APA

Pamela Wallin. (2001). Speaking of success. Canada: Key Porter Books.

Dyfyniad Arddull Chicago

Pamela Wallin. Speaking of Success. Canada: Key Porter Books, 2001.

Dyfyniad MLA

Pamela Wallin. Speaking of Success. Canada: Key Porter Books, 2001.

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