Παραπομπή APA

Beecroft, G. D., & Duffy, G. L. M. (2003). Executive guide to improvement and change. Pearson.

Παραπομπή Chicago Style

Beecroft, G. Dennis, και Grace L Moran Duffy. Executive Guide to Improvement and Change. New Delhi: Pearson, 2003.

Παραπομπή MLA

Beecroft, G. Dennis, και Grace L Moran Duffy. Executive Guide to Improvement and Change. Pearson, 2003.