Lankes, R. D. (1998). The Virtual Reference Desk: Building a Network of Expertise for America's Schools. White Paper.
Chicago-Zitierstil (17. Ausg.)Lankes, R. David. The Virtual Reference Desk: Building a Network of Expertise for America's Schools. White Paper. 1998.
MLA-Zitierstil (9. Ausg.)Lankes, R. David. The Virtual Reference Desk: Building a Network of Expertise for America's Schools. White Paper. 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.