Lua APA (7ú heag.)

RIES AL. (1990). BOTTOM UP MARKETING. PLUME BOOK.

Lua i Stíl Chicago (17ú heag.)

RIES AL. BOTTOM UP MARKETING. NEW YORK: PLUME BOOK, 1990.

Lua MLA (9ú heag.)

RIES AL. BOTTOM UP MARKETING. PLUME BOOK, 1990.

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