Riechel, R. (1989). Personnel needs and changing reference service. Library Professional Publications.
Cita Chicago Style (17a ed.)Riechel, Rosemarie. Personnel Needs and Changing Reference Service. Hamden, Conn.: Library Professional Publications, 1989.
Cita MLA (8a ed.)Riechel, Rosemarie. Personnel Needs and Changing Reference Service. Library Professional Publications, 1989.
Precaución: Estas citas no son 100% exactas.