توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

THACKWRAY, B. International encyclopedia of higher education volume 3: Effective of training and development in higher.. Crest Publishing House.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

THACKWRAY, Bob. International Encyclopedia of Higher Education Volume 3: Effective of Training and Development in Higher.. New Delhi: Crest Publishing House.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

THACKWRAY, Bob. International Encyclopedia of Higher Education Volume 3: Effective of Training and Development in Higher.. Crest Publishing House.