Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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