Não informado. (1964). Journal of Marketing Research. American Marketing Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Marketing Research. Chicago, Ill: American Marketing Association, 1964.
Lua MLA (8ú heag.)Não informado. Journal of Marketing Research. American Marketing Association, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.