Dyfyniad APA

Bielskas, A., & Dreyer, K. M. (2012). IM and SMS reference services for libraries. Facet Pub.

Dyfyniad Arddull Chicago

Bielskas, Amanda, and Kathleen M. Dreyer. IM and SMS Reference Services for Libraries. Chicago, IL: Facet Pub, 2012.

Dyfyniad MLA

Bielskas, Amanda, and Kathleen M. Dreyer. IM and SMS Reference Services for Libraries. Facet Pub, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.