Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.