Cunha, D. G., & Cunha, G. D. M. (1971). Conservation of library materials: A manual and bibliography on the care, repair, and restoration of library materials (2nd ed.). Scarecrow Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cunha, Dorothy Grant, و George Daniel Martin Cunha. Conservation of Library Materials: A Manual and Bibliography on the Care, Repair, and Restoration of Library Materials. 2nd ed. Metuchen, N. Y: Scarecrow Press, 1971.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cunha, Dorothy Grant, و George Daniel Martin Cunha. Conservation of Library Materials: A Manual and Bibliography on the Care, Repair, and Restoration of Library Materials. 2nd ed. Scarecrow Press, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.