Style de citation APA (7e éd.)
Engstrom, T. W., & Mackenzie, R. A. (1967). Managing your time: Practical guidelines on the effective use of time ([1st ed.].). Zondervan Pub. House.
Style de citation Chicago (17e éd.)
Engstrom, Ted W., et R. Alec Mackenzie. Managing Your Time: Practical Guidelines on the Effective Use of Time. [1st ed.]. Grand Rapids: Zondervan Pub. House, 1967.
Style de citation MLA (9e éd.)
Engstrom, Ted W., et R. Alec Mackenzie. Managing Your Time: Practical Guidelines on the Effective Use of Time. [1st ed.]. Zondervan Pub. House, 1967.
Attention : ces citations peuvent ne pas être correctes à 100%.