توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Holtz, H. (1985). Utilizing consultants successfully: A guide for management in business, government, the arts, and professions. Quorum Books.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Holtz, Herman. Utilizing Consultants Successfully: A Guide for Management in Business, Government, the Arts, and Professions. Westport, Conn: Quorum Books, 1985.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Holtz, Herman. Utilizing Consultants Successfully: A Guide for Management in Business, Government, the Arts, and Professions. Quorum Books, 1985.