APA aipamena

Riechel, R. (1989). Personnel needs and changing reference service. Library Professional Publications.

Chicago Style aipamena

Riechel, Rosemarie. Personnel Needs and Changing Reference Service. Hamden, Conn.: Library Professional Publications, 1989.

MLA aipamena

Riechel, Rosemarie. Personnel Needs and Changing Reference Service. Library Professional Publications, 1989.