tuchen, J., & Crisp, S. (2002). Designing successful loyalty programs. Philippine Star.
Chicago Style (17th ed.) Citationtuchen, Jorg, and Simon Crisp. "Designing Successful Loyalty Programs." Philippine Star 2002.
MLA (9th ed.) Citationtuchen, Jorg, and Simon Crisp. "Designing Successful Loyalty Programs." Philippine Star, 2002.
Warning: These citations may not always be 100% accurate.