Orose Leelakulthanit. (1993) A cross-study of moral philosophies, ethical perceptions and judgments : a comparison of American and Thai marketers. National Institute of Development Administration:ม.ป.ท.Orose Leelakulthanit. 1993. A cross-study of moral philosophies, ethical perceptions and judgments : a comparison of American and Thai marketers. ม.ป.ท.:National Institute of Development Administration;Orose Leelakulthanit. A cross-study of moral philosophies, ethical perceptions and judgments : a comparison of American and Thai marketers. ม.ป.ท.:National Institute of Development Administration, 1993. Print.