COHEN, W. A. (1988). The Practice Of Marketing Management Analysis, Planning And Implementation William A. Cohen. Macmillan.
Lua i Stíl Chicago (17ú heag.)COHEN, William A. The Practice Of Marketing Management Analysis, Planning And Implementation William A. Cohen. Macmillan, 1988.
Lua MLA (8ú heag.)COHEN, William A. The Practice Of Marketing Management Analysis, Planning And Implementation William A. Cohen. Macmillan, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.