توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Campbell, H. C. (1982). Developing public library systems and services: A guide to the organization of national and regional public library systems as a part of overall national information service planning. Unesco.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Campbell, H. C. Developing Public Library Systems and Services: A Guide to the Organization of National and Regional Public Library Systems as a Part of Overall National Information Service Planning. Paris: Unesco, 1982.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Campbell, H. C. Developing Public Library Systems and Services: A Guide to the Organization of National and Regional Public Library Systems as a Part of Overall National Information Service Planning. Unesco, 1982.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.