, H. l. Harrod-s librarians- glossary of term used in librarianship, documentation and the book crafts#Reference Book#Compiled by Ray Prytherch. Gower Publishing Company Limite.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر), Harrod-s librarians. Harrod-s Librarians- Glossary of Term Used in Librarianship, Documentation and the Book Crafts#Reference Book#Compiled by Ray Prytherch. Gower Publishing Company Limite.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة), Harrod-s librarians. Harrod-s Librarians- Glossary of Term Used in Librarianship, Documentation and the Book Crafts#Reference Book#Compiled by Ray Prytherch. Gower Publishing Company Limite.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.