Παραπομπή APA

Cummings, S. a. . A. (2015). Strategy Builder: How to Create and Communicate more effective strategies.

Παραπομπή Chicago Style

Cummings, Stephen and Angwin. Strategy Builder: How to Create and Communicate More Effective Strategies. Wiley India Pvt Ltd., New Delhi, 2015.

Παραπομπή MLA

Cummings, Stephen and Angwin. Strategy Builder: How to Create and Communicate More Effective Strategies. 2015.