Fourie, D. K., & Dowell, D. R. (2009). Libraries in the information age: An introduction and career exploration (2nd ed.). Libraries Unlimited.
Lua i Stíl Chicago (17ú heag.)Fourie, Denise K., agus David R. Dowell. Libraries in the Information Age: An Introduction and Career Exploration. 2nd ed. Santa Barbara, Calif: Libraries Unlimited, 2009.
Lua MLA (9ú heag.)Fourie, Denise K., agus David R. Dowell. Libraries in the Information Age: An Introduction and Career Exploration. 2nd ed. Libraries Unlimited, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.