Harlan, M. A. (2009). Personal learning networks: Professional development for the isolated school librarian (1. publ.). Libraries Unlimited.
Chicago-Zitierstil (17. Ausg.)Harlan, Mary Ann. Personal Learning Networks: Professional Development for the Isolated School Librarian. 1. publ. Westport, Conn. [u.a.]: Libraries Unlimited, 2009.
MLA-Zitierstil (9. Ausg.)Harlan, Mary Ann. Personal Learning Networks: Professional Development for the Isolated School Librarian. 1. publ. Libraries Unlimited, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.