Dalrymple, D. J., & Parsons, L. J.(1999). Marketing management: Text and cases, (7th ed.). New York: John Wiley & Sons. (Available in 2000. TSDAS Digital Library: HF5415.13 Dal)

Harrel, G. D.(2003). Marketing: Connecting with customers (2nd ed.). New Jersey: Prentice Hall.

Hoffman, D. K., & Bateson, J. E. G.(2001). Essentials of services marketing (2nd ed.). Fort Worth: The Dryden Press. (Available in 2002. TSDAS Digital Library: HD9980.5 Hof)

Kotler, P., & Armstrong, G., (2005). Principles of marketing (11th ed.). New Jersey: Prentice Hall. Available in 2006. TSDAS Digital Library: HF5415 Kot)

Kotler, P., Ang, S. H., Leong, S. M., & Tan, C. H.(2004). Marketing management: an Asian Perspective (3rd ed.). Singapura: Prentice Hall. (Available in 2003. TSDAS Digital Library: HF5415.13 Mar)

Lamb, C. W., Hair, J. F., & McDaniel, C. (2001). Marketing (6th ed.). Kanada; South-Western Publishing.(Available in 2002. TSDAS Digital Library: HF5415 Lam)

Mowen, J. C., & Minor, M. (1997). Consumer behaviour (5th ed.). New Jersey: Prentice Hall.

Shiffman, L. G., & Kanuk, L. L.(2003). Consumer behaviour (8th ed.). New Jersey: Prentice Hall.

Zeithaml, V. A., & Bitner, M. J.(2002). Services marketing: Integrating customer focus across the firm (3rd ed.). Boston: Irwin-McGraw-Hill. (Available in 2003. TSDAS Digital Library: HD9980.5 Zei)