APA-viite (7. p.)
Pepper, J. (2007). What really matters: Service, leadership, people, and values (1st Yale University Press ed.). Yale University Press.
Chicago-viite (17. p.)
Pepper, John. What Really Matters: Service, Leadership, People, and Values. 1st Yale University Press ed. New Haven: Yale University Press, 2007.
MLA-viite (9. p.)
Pepper, John. What Really Matters: Service, Leadership, People, and Values. 1st Yale University Press ed. Yale University Press, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.