Evans, G. E., & Carter, T. L. (2009). Introduction to library public services (7th ed.). Libraries Unlimited.
Cita Chicago (17th ed.)Evans, G. Edward, i Thomas L. Carter. Introduction to Library Public Services. 7th ed. Westport, Conn: Libraries Unlimited, 2009.
Cita MLA (9th ed.)Evans, G. Edward, i Thomas L. Carter. Introduction to Library Public Services. 7th ed. Libraries Unlimited, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.