Dyfyniad APA

Clegg Brian. (2004). Crash Course in Personal Development. Kogan Page.

Dyfyniad Arddull Chicago

Clegg Brian. Crash Course in Personal Development. London: Kogan Page, 2004.

Dyfyniad MLA

Clegg Brian. Crash Course in Personal Development. Kogan Page, 2004.

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