APA ציטוט
Bopp, R. E., & Smith, L. C. (2011). Reference and information services: An introduction (4th ed.). Libraries Unlimited.
Chicago Style (17th ed.) Citation
Bopp, Richard E., and Linda C. Smith. Reference and Information Services: An Introduction. 4th ed. Santa Barbara, Calif: Libraries Unlimited, 2011.
ציטוט MLA
Bopp, Richard E., and Linda C. Smith. Reference and Information Services: An Introduction. 4th ed. Libraries Unlimited, 2011.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.