Harrod, L. M., & Prytherch, R. J. (1990). Harrod's librarians' glossary of terms used in librarianship, documentation and the book crafts and reference book (7th ed.). Gower.
Cita Chicago Style (17a ed.)Harrod, Leonard Montague, y Raymond John Prytherch. Harrod's Librarians' Glossary of Terms Used in Librarianship, Documentation and the Book Crafts and Reference Book. 7th ed. Aldershot: Gower, 1990.
Cita MLA (9a ed.)Harrod, Leonard Montague, y Raymond John Prytherch. Harrod's Librarians' Glossary of Terms Used in Librarianship, Documentation and the Book Crafts and Reference Book. 7th ed. Gower, 1990.
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