Riechel, R. (1989). Personnel needs and changing reference service. Library Professional Publications.
Style de citation Chicago (17e éd.)Riechel, Rosemarie. Personnel Needs and Changing Reference Service. Hamden, Conn.: Library Professional Publications, 1989.
Style de citation MLA (8e éd.)Riechel, Rosemarie. Personnel Needs and Changing Reference Service. Library Professional Publications, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.