Lankes, R. D. (2006). The virtual reference desk: Creating a reference future. New York: Neal-Schuman Publishers.
Dyfyniad Arddull ChicagoLankes, R. David. The Virtual Reference Desk: Creating a Reference Future. New York: Neal-Schuman Publishers, 2006.
Dyfyniad MLALankes, R. David. The Virtual Reference Desk: Creating a Reference Future. New York: Neal-Schuman Publishers, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.