Purcell, G. R., & Schlachter, G. A. (1984). Reference sources in library and information services: Reference sources in library and information services : a guide to the literature. Santa Barbara, Ca. ; Oxford: ABC-Clio Information Services.
Chicago stil citiranjaPurcell, Gary R., and Gail Ann Schlachter. Reference sources in library and information services: Reference sources in library and information services : a guide to the literature. Santa Barbara, Ca. ; Oxford: ABC-Clio Information Services, 1984.
MLA stil citiranjaPurcell, Gary R., and Gail Ann Schlachter. Reference sources in library and information services: Reference sources in library and information services : a guide to the literature. Santa Barbara, Ca. ; Oxford: ABC-Clio Information Services, 1984.