Cuanda Wijaya และ Chompunuch Jittithavorn. (2013) Socio-Psychological and Cultural Motivations of Singapore Formula 1 Night Race Visitors. Stamford International University:ม.ป.ท.Cuanda Wijaya และ Chompunuch Jittithavorn. 2013. Socio-Psychological and Cultural Motivations of Singapore Formula 1 Night Race Visitors. ม.ป.ท.:Stamford International University;Cuanda Wijaya และ Chompunuch Jittithavorn. Socio-Psychological and Cultural Motivations of Singapore Formula 1 Night Race Visitors. ม.ป.ท.:Stamford International University, 2013. Print.