Παραπομπή σε μορφή APA (7η εκδ.)

Whitaker, S. (2016). PMP® Examination Practice Questions: 400 Practice Questions and Answers to help you Pass (3rd ed. 2016.). Apress : Imprint: Apress.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Whitaker, Sean. PMP® Examination Practice Questions: 400 Practice Questions and Answers to Help You Pass. 3rd ed. 2016. Berkeley, CA: Apress : Imprint: Apress, 2016.

Παραπομπή σε μορφή MLA (8th εκδ.)

Whitaker, Sean. PMP® Examination Practice Questions: 400 Practice Questions and Answers to Help You Pass. 3rd ed. 2016. Apress : Imprint: Apress, 2016.