LeTourneau, R. (1975). Keeping your cool in a world of tension. Zondervan.
芝加哥风格引文LeTourneau, Richard. Keeping Your Cool in a World of Tension. Michigan: Zondervan, 1975.
MLA引文LeTourneau, Richard. Keeping Your Cool in a World of Tension. Zondervan, 1975.
警告：这些引文格式不一定是100％准确.