Cita APA (7th ed.)

Engstrom, T. W. (1967). Managing your time: Practical guidelines on the effective use oftime. Zondervan.

Cita Chicago (17th ed.)

Engstrom, Ted W. Managing Your Time: Practical Guidelines on the Effective Use Oftime. Zondervan, 1967.

Cita MLA (9th ed.)

Engstrom, Ted W. Managing Your Time: Practical Guidelines on the Effective Use Oftime. Zondervan, 1967.