Rapp, S. (1989). Maximarketing. Mc graw hill.
Lua i Stíl Chicago (17ú heag.)Rapp, Stan. Maximarketing. New york: Mc graw hill, 1989.
Lua MLA (9ú heag.)Rapp, Stan. Maximarketing. Mc graw hill, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.