APA stil citiranja
Bopp, R. E., & Smith, L. C. (1995). Reference and information services: Reference and information services : an introduction (2nd ed.). Englewood, Colo.: Libraries Unlimited.
Chicago stil citiranjaBopp, Richard E., and Linda C. Smith. Reference and information services: Reference and information services : an introduction. 2nd ed. Englewood, Colo.: Libraries Unlimited, 1995.
MLA stil citiranjaBopp, Richard E., and Linda C. Smith. Reference and information services: Reference and information services : an introduction. 2nd ed. Englewood, Colo.: Libraries Unlimited, 1995.
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