Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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