Não informado. (1962). Marketing in Europe. Economist Intelligence Unit.
Lua i Stíl Chicago (17ú heag.)Não informado. Marketing in Europe. London: Economist Intelligence Unit, 1962.
Lua MLA (8ú heag.)Não informado. Marketing in Europe. Economist Intelligence Unit, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.