Martin, D. M. (2007). Company director's desktop guide (6th ed.). Thorogood.
Cita Chicago (17th ed.)Martin, David M. Company Director's Desktop Guide. 6th ed. London: Thorogood, 2007.
Cita MLA (9th ed.)Martin, David M. Company Director's Desktop Guide. 6th ed. Thorogood, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.