Tohutoro APA (7th ed.)

(1981). On board: A guide for executive resources board members / [prepared by Barbara Cohn].

Tohutoru Kātū Chicago (17th ed.)

On Board: A Guide for Executive Resources Board Members / [prepared by Barbara Cohn]. 1981.

Tohutoro MLA (9th ed.)

On Board: A Guide for Executive Resources Board Members / [prepared by Barbara Cohn]. 1981.