APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.