BOYD, H. W. (1998). Marketing Management A Strategic Approach With A Global Orientation Harper W.boyd, Orville C. Walker, Jean-claude Larreche. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)BOYD, Herper W. Marketing Management A Strategic Approach With A Global Orientation Harper W.boyd, Orville C. Walker, Jean-claude Larreche. McGraw-Hill, 1998.
Lua MLA (8ú heag.)BOYD, Herper W. Marketing Management A Strategic Approach With A Global Orientation Harper W.boyd, Orville C. Walker, Jean-claude Larreche. McGraw-Hill, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.