توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Cassell, K. A., & Hiremath, U. (2011). Reference and information services in the 21st century: An introduction (2nd ed. rev.). Neal-Schuman Publishers.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Cassell, Kay Ann, و Uma Hiremath. Reference and Information Services in the 21st Century: An Introduction. 2nd ed. rev. New York: Neal-Schuman Publishers, 2011.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Cassell, Kay Ann, و Uma Hiremath. Reference and Information Services in the 21st Century: An Introduction. 2nd ed. rev. Neal-Schuman Publishers, 2011.