Cita APA (7th ed.)
Hybels, B., & Wilkins, R. (1993). Descending into greatness. Zondervan Publ.House.
Cita Chicago (17th ed.)
Hybels, Bill, i Rob Wilkins. Descending into Greatness. Grand Rapids: Zondervan Publ.House, 1993.
Cita MLA (9th ed.)
Hybels, Bill, i Rob Wilkins. Descending into Greatness. Zondervan Publ.House, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.