Nirot Thanakulpun และ Pandej Chintrakarn. (2011) Effect of colors on taxi selection choice of consumers in Bangkok. Mahidol University:ม.ป.ท.Nirot Thanakulpun และ Pandej Chintrakarn. 2011. Effect of colors on taxi selection choice of consumers in Bangkok. ม.ป.ท.:Mahidol University;Nirot Thanakulpun และ Pandej Chintrakarn. Effect of colors on taxi selection choice of consumers in Bangkok. ม.ป.ท.:Mahidol University, 2011. Print.