Lankes, R. D. (2008). Virtual reference service: From competencies to assessment. Neal-Schuman Publishers.
Cita Chicago Style (17a ed.)Lankes, R. David. Virtual Reference Service: From Competencies to Assessment. New York: Neal-Schuman Publishers, 2008.
Cita MLA (8a ed.)Lankes, R. David. Virtual Reference Service: From Competencies to Assessment. Neal-Schuman Publishers, 2008.
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