Jain, S. C. (2010). Marketing: Planning and Strategy (8th.). Cengage.
Lua i Stíl Chicago (17ú heag.)Jain, Subash C. Marketing: Planning and Strategy. 8th. Cengage, 2010.
Lua MLA (9ú heag.)Jain, Subash C. Marketing: Planning and Strategy. 8th. Cengage, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.