Martins Jo M. (2012). Consumer Demographics and Behaviour. Springer.
Lua i Stíl Chicago (17ú heag.)Martins Jo M. Consumer Demographics and Behaviour. Berlin: Springer, 2012.
Lua MLA (9ú heag.)Martins Jo M. Consumer Demographics and Behaviour. Springer, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.