Παραπομπή σε μορφή APA (7η εκδ.)

Napper, P. (2019). The power of agency: The 7 principles to conquer obstacles, make effective decisions, and create a life on your own terms. St. Martin's Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Napper, Paul. The Power of Agency: The 7 Principles to Conquer Obstacles, Make Effective Decisions, and Create a Life on Your Own Terms. New York: St. Martin's Press, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Napper, Paul. The Power of Agency: The 7 Principles to Conquer Obstacles, Make Effective Decisions, and Create a Life on Your Own Terms. St. Martin's Press, 2019.