Nuntiwat Pongjarern. (2002). Teachers' perceptions toward principals' transformational leadership in private vocational schools in Thailand. Illinois State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nuntiwat Pongjarern. Teachers' Perceptions Toward Principals' Transformational Leadership in Private Vocational Schools in Thailand. Illinois: Illinois State University, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nuntiwat Pongjarern. Teachers' Perceptions Toward Principals' Transformational Leadership in Private Vocational Schools in Thailand. Illinois State University, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.