de Klerk, A., & Callery, B. (1976). A Regional Resource Directory: Why Include Special Libraries?
Cita Chicago Style (17a ed.)de Klerk, Ann, y Bernadette Callery. A Regional Resource Directory: Why Include Special Libraries? 1976.
Cita MLA (9a ed.)de Klerk, Ann, y Bernadette Callery. A Regional Resource Directory: Why Include Special Libraries? 1976.
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