Diamond, J., & Pintel, G. (1972). Principles of marketing. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Diamond, Jay, agus Gerald Pintel. Principles of Marketing. Englewood Cliffs, N.J.: Prentice-Hall, 1972.
Lua MLA (8ú heag.)Diamond, Jay, agus Gerald Pintel. Principles of Marketing. Prentice-Hall, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.