Moyo, L. M. (2002). Reference Anytime Anywhere: Towards Virtual Reference Services at Penn State.
Chicago-Zitierstil (17. Ausg.)Moyo, Lesley M. Reference Anytime Anywhere: Towards Virtual Reference Services at Penn State. 2002.
MLA-Zitierstil (9. Ausg.)Moyo, Lesley M. Reference Anytime Anywhere: Towards Virtual Reference Services at Penn State. 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.