Catalan, L. L. F., & Diaz, F. C. B. (2008). Motivation of Philippine national taekwondo athletes. College of Human Kinetics, University of the Philippines Diliman.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCatalan, Loraine Lorelie F., এবং Francis Carlos B. Diaz. Motivation of Philippine National Taekwondo Athletes. Quezon City: College of Human Kinetics, University of the Philippines Diliman, 2008.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিCatalan, Loraine Lorelie F., এবং Francis Carlos B. Diaz. Motivation of Philippine National Taekwondo Athletes. College of Human Kinetics, University of the Philippines Diliman, 2008.
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