APA استشهاد

Hellriegel, D. J. (2011). Management: A competency based approach (10 edition.).

استشهاد بنمط شيكاغو

Hellriegel, Don; Jackson. Management: A Competency Based Approach. 10 edition. Cengage Learning, 2011.

MLA استشهاد

Hellriegel, Don; Jackson. Management: A Competency Based Approach. 10 edition. 2011.