Dyfyniad APA

LEIGH ANDREW. (1999). PERFECT PRESENTATION. CENTURY.

Dyfyniad Arddull Chicago

LEIGH ANDREW. PERFECT PRESENTATION. LONDON: CENTURY, 1999.

Dyfyniad MLA

LEIGH ANDREW. PERFECT PRESENTATION. CENTURY, 1999.

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