Gregory, V. L., & Hanson, A. (2006). Selecting and managing electronic resources: A how-to-do-it manual for librarians (Rev. ed.). Neal-Schuman Publishers.
Lua i Stíl Chicago (17ú heag.)Gregory, Vicki L., agus Ardis Hanson. Selecting and Managing Electronic Resources: A How-to-do-it Manual for Librarians. Rev. ed. New York: Neal-Schuman Publishers, 2006.
Lua MLA (9ú heag.)Gregory, Vicki L., agus Ardis Hanson. Selecting and Managing Electronic Resources: A How-to-do-it Manual for Librarians. Rev. ed. Neal-Schuman Publishers, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.