Lua APA (7ú heag.)

Ries, A. (1989). Bottom up marketing. Mcgraw Hill Book Company.

Lua i Stíl Chicago (17ú heag.)

Ries, Al. Bottom Up Marketing. New York: Mcgraw Hill Book Company, 1989.

Lua MLA (9ú heag.)

Ries, Al. Bottom Up Marketing. Mcgraw Hill Book Company, 1989.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.