Cita APA (7th ed.)
Wiersbe, W. W. (1986). Famous Unanswered prayers. Back to the Bible.
Cita Chicago (17th ed.)
Wiersbe, Warren W. Famous Unanswered Prayers. Lincoln: Back to the Bible, 1986.
Cita MLA (9th ed.)
Wiersbe, Warren W. Famous Unanswered Prayers. Back to the Bible, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.