Bielskas, A., & Dreyer, K. M. (2012). IM and SMS reference services for libraries. Facet Pub.
Cita Chicago (17th ed.)Bielskas, Amanda, i Kathleen M. Dreyer. IM and SMS Reference Services for Libraries. Chicago, IL: Facet Pub, 2012.
Cita MLA (8th ed.)Bielskas, Amanda, i Kathleen M. Dreyer. IM and SMS Reference Services for Libraries. Facet Pub, 2012.
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