Dyfyniad APA

Selby, H. (2011). Advocacy: Preparation and performance. Universal.

Dyfyniad Arddull Chicago

Selby, Hugh. Advocacy: Preparation and Performance. N.Delhi: Universal, 2011.

Dyfyniad MLA

Selby, Hugh. Advocacy: Preparation and Performance. Universal, 2011.

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