American Library Association. Collection Management and Development Committee. (1988). Guide to performance evaluation of library materials vendors. American Library Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Library Association. Collection Management and Development Committee. Guide to Performance Evaluation of Library Materials Vendors. Chicago: American Library Association, 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)American Library Association. Collection Management and Development Committee. Guide to Performance Evaluation of Library Materials Vendors. American Library Association, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.