Adams, R. J. (1990). Communication and delivery systems for librarians. Gower Pub. Co.
Cita Chicago (17th ed.)Adams, Roy J. Communication and Delivery Systems for Librarians. Hampshire, UK: Gower Pub. Co, 1990.
Cita MLA (9th ed.)Adams, Roy J. Communication and Delivery Systems for Librarians. Gower Pub. Co, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.