Vorapon Tangchakvaranont. 2010. Attitudes of customers in Bangkok in making a decision to choose a toyota passenger car. Bangkok:Thammasat University;
Vorapon Tangchakvaranont. (2010) Attitudes of customers in Bangkok in making a decision to choose a toyota passenger car (รายงานผลงานวิจัย). Thammasat University:Bangkok.
Vorapon Tangchakvaranont. Attitudes of customers in Bangkok in making a decision to choose a toyota passenger car. Bangkok:Thammasat University, 2010.
Vorapon Tangchakvaranont. (2010) Attitudes of customers in Bangkok in making a decision to choose a toyota passenger car (รายงานผลงานวิจัย). Thammasat University:Bangkok.