Cita APA

Lankes, D. R. e. (2008). Virtual reference service: From competencies to assessment. Facet.

Chicago Edition Citation

Lankes, David R...[et.al]; ed. Virtual Reference Service: From Competencies to Assessment. London: Facet, 2008.

Cita MLA

Lankes, David R...[et.al]; ed. Virtual Reference Service: From Competencies to Assessment. Facet, 2008.