Gulid และผู้แต่งคนอื่นๆ. (2007) Customer loyalty in the luxury hotel industry : a cross cultural perspective. Faculty of Commerce and Accountancy Thammasat University,:ม.ป.ท.Gulid และผู้แต่งคนอื่นๆ. 2007. Customer loyalty in the luxury hotel industry : a cross cultural perspective. ม.ป.ท.:Faculty of Commerce and Accountancy Thammasat University,;Gulid และผู้แต่งคนอื่นๆ. Customer loyalty in the luxury hotel industry : a cross cultural perspective. ม.ป.ท.:Faculty of Commerce and Accountancy Thammasat University, 2007. Print.