Weeks, M. J., & Chan, J. F. (2004). Taking control with time management, fifth edition (5th ed.). American Management Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Weeks, M. J., ба Janis Fisher Chan. Taking Control with Time Management, Fifth Edition. 5th ed. [Saranac Lake, N.Y. ]: American Management Association, 2004.
MLA -ийн эшлэл (9 дэх хэвлэлт)Weeks, M. J., ба Janis Fisher Chan. Taking Control with Time Management, Fifth Edition. 5th ed. American Management Association, 2004.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.