APA استشهاد

Cummings, T. G. (2004). Organisation development and change (7th ed.). Thomson.

استشهاد بنمط شيكاغو

Cummings, Thomas G. Organisation Development and Change. 7th ed. Singapore: Thomson, 2004.

MLA استشهاد

Cummings, Thomas G. Organisation Development and Change. 7th ed. Thomson, 2004.