Weeks, M. J., & Chan, J. F. (2004). Taking control with time management, fifth edition (5th ed.). American Management Association.
Cita Chicago (17th ed.)Weeks, M. J., i Janis Fisher Chan. Taking Control with Time Management, Fifth Edition. 5th ed. [Saranac Lake, N.Y. ]: American Management Association, 2004.
Cita MLA (9th ed.)Weeks, M. J., i Janis Fisher Chan. Taking Control with Time Management, Fifth Edition. 5th ed. American Management Association, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.