Παραπομπή APA

Newell, M. W. G. (2012). Project management: Questions and answer book.

Παραπομπή Chicago Style

Newell, Michael W; Grashina. Project Management: Questions and Answer Book. Yee Dee Publishing Pvt. Ltd, 2012.

Παραπομπή MLA

Newell, Michael W; Grashina. Project Management: Questions and Answer Book. 2012.