LeTourneau, R. (1975). Keeping your cool in a world of tension. Zondervan.
Chicagoスタイル(17版)引用形式LeTourneau, Richard. Keeping Your Cool in a World of Tension. Michigan: Zondervan, 1975.
MLA(9版)引用形式LeTourneau, Richard. Keeping Your Cool in a World of Tension. Zondervan, 1975.
警告: この引用は必ずしも正確ではありません.