Lua APA (7ú heag.)

Ries, A. (1989). Bottom-up Marketing. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Ries, Al. Bottom-up Marketing. McGraw-Hill, 1989.

Lua MLA (8ú heag.)

Ries, Al. Bottom-up Marketing. McGraw-Hill, 1989.

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