Catalan, L. L. F., & Diaz, F. C. B. (2008). Motivation of Philippine national taekwondo athletes. College of Human Kinetics, University of the Philippines Diliman.
Lua i Stíl Chicago (17ú heag.)Catalan, Loraine Lorelie F., agus Francis Carlos B. Diaz. Motivation of Philippine National Taekwondo Athletes. Quezon City: College of Human Kinetics, University of the Philippines Diliman, 2008.
Lua MLA (9ú heag.)Catalan, Loraine Lorelie F., agus Francis Carlos B. Diaz. Motivation of Philippine National Taekwondo Athletes. College of Human Kinetics, University of the Philippines Diliman, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.