Grenz, S. J. (1998). What Christians really believe and why. Westminster.
Cita Chicago (17th ed.)Grenz, Stanley J. What Christians Really Believe and Why. Louisville: Westminster, 1998.
Cita MLA (9th ed.)Grenz, Stanley J. What Christians Really Believe and Why. Westminster, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.