توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Chartchai Pookayaporn. (2002). The difference between perceptions of principals and teachers concerning leadership behaviors of private vocational principals in Thailand. Illinois State University.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Chartchai Pookayaporn. The Difference Between Perceptions of Principals and Teachers Concerning Leadership Behaviors of Private Vocational Principals in Thailand. Normal, IL.: Illinois State University, 2002.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Chartchai Pookayaporn. The Difference Between Perceptions of Principals and Teachers Concerning Leadership Behaviors of Private Vocational Principals in Thailand. Illinois State University, 2002.