Engstrom, T. W. (1967). Managing your time: Practical guidelines on the effective use oftime. Zondervan.
Chicagoスタイル(17版)引用形式Engstrom, Ted W. Managing Your Time: Practical Guidelines on the Effective Use Oftime. Zondervan, 1967.
MLA(9版)引用形式Engstrom, Ted W. Managing Your Time: Practical Guidelines on the Effective Use Oftime. Zondervan, 1967.
警告: この引用は必ずしも正確ではありません.