Wiersbe, W. (1991). Be patient: Waiting on God in difficult times. SP.
芝加哥风格引文Wiersbe, Warren. Be Patient: Waiting on God in Difficult Times. Illinois: SP, 1991.
MLA引文Wiersbe, Warren. Be Patient: Waiting on God in Difficult Times. SP, 1991.
警告：这些引文格式不一定是100％准确.