Boeuf, M. L. (2001). Essence of Time Management. Jaico Publishing House.
Cita Chicago (17th ed.)Boeuf, Michael Le. Essence of Time Management. Mumbai: Jaico Publishing House, 2001.
Cita MLA (9th ed.)Boeuf, Michael Le. Essence of Time Management. Jaico Publishing House, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.