Lua APA (7ú heag.)

(2005). Journal of Marketing Research Februari 2005. American Marketing Association.

Lua i Stíl Chicago (17ú heag.)

Journal of Marketing Research Februari 2005. American Marketing Association, 2005.

Lua MLA (8ú heag.)

Journal of Marketing Research Februari 2005. American Marketing Association, 2005.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.