Strauss, J., & Frost, R. (2016). E - Marketing (7th ed.). Routledge Taylor & Francis Group.
Lua i Stíl Chicago (17ú heag.)Strauss, Judy, agus Raymond Frost. E - Marketing. 7th ed. New York: Routledge Taylor & Francis Group, 2016.
Lua MLA (9ú heag.)Strauss, Judy, agus Raymond Frost. E - Marketing. 7th ed. Routledge Taylor & Francis Group, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.