Reference and User Services Association. (1996). RUSA update. The Reference and User Services Association.
Chicago-Zitierstil (17. Ausg.)Reference and User Services Association. RUSA Update. Chicago, Ill.: The Reference and User Services Association, 1996.
MLA-Zitierstil (8. Ausg.)Reference and User Services Association. RUSA Update. The Reference and User Services Association, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.