APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.