FITZROY, P. T. (1976). Analytical Methods For Marketing Management Peter T. Fitzroy. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)FITZROY, Peter T. Analytical Methods For Marketing Management Peter T. Fitzroy. McGraw-Hill, 1976.
Lua MLA (8ú heag.)FITZROY, Peter T. Analytical Methods For Marketing Management Peter T. Fitzroy. McGraw-Hill, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.