Francis, G. (1978). Modern marketing management (1st.). S. Chand & Co.
Lua i Stíl Chicago (17ú heag.)Francis, Geoffrey. Modern Marketing Management. 1st. New Delhi: S. Chand & Co, 1978.
Lua MLA (9ú heag.)Francis, Geoffrey. Modern Marketing Management. 1st. S. Chand & Co, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.