Weingand, D. E. (1987). Marketing/planning library and information services. Libraries Unlimited.
Lua i Stíl Chicago (17ú heag.)Weingand, Darlene E. Marketing/planning Library and Information Services. Littleton, Colo.: Libraries Unlimited, 1987.
Lua MLA (9ú heag.)Weingand, Darlene E. Marketing/planning Library and Information Services. Libraries Unlimited, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.