Cita APA (7th ed.)

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.