Nichols, M. I. (1988). Handbook of Reference Sources and Services for Small and Medium-Sized Libraries.
Chicago-Zitierstil (17. Ausg.)Nichols, Margaret Irby. Handbook of Reference Sources and Services for Small and Medium-Sized Libraries. 1988.
MLA-Zitierstil (9. Ausg.)Nichols, Margaret Irby. Handbook of Reference Sources and Services for Small and Medium-Sized Libraries. 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.