Dyfyniad APA

(2010). A practitioner's guide to director's duties and responsibilities (4th ed.). Thomson Reuters.

Dyfyniad Arddull Chicago

A Practitioner's Guide to Director's Duties and Responsibilities. 4th ed. London: Thomson Reuters, 2010.

Dyfyniad MLA

A Practitioner's Guide to Director's Duties and Responsibilities. 4th ed. Thomson Reuters, 2010.

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