Howell, L. D. (1973). Regional accomodation in Southeast Asia: A study of attitudinal compatibility and distance. Syracuse University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Howell, Llewellyn Donald. Regional Accomodation in Southeast Asia: A Study of Attitudinal Compatibility and Distance. Syracuse, N.Y.: Syracuse University, 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Howell, Llewellyn Donald. Regional Accomodation in Southeast Asia: A Study of Attitudinal Compatibility and Distance. Syracuse University, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.