DYER, R. F. (1991). An Analytical Approach To Marketing Decisions/robert F. Dyer. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)DYER, Robert F. An Analytical Approach To Marketing Decisions/robert F. Dyer. Prentice-Hall, 1991.
Lua MLA (8ú heag.)DYER, Robert F. An Analytical Approach To Marketing Decisions/robert F. Dyer. Prentice-Hall, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.