CHISNALL PETER M. (1986). MARKETING RESEARCH (3RD.). MCGRAW-HILL.
Lua i Stíl Chicago (17ú heag.)CHISNALL PETER M. MARKETING RESEARCH. 3RD. NEW YORK: MCGRAW-HILL, 1986.
Lua MLA (9ú heag.)CHISNALL PETER M. MARKETING RESEARCH. 3RD. MCGRAW-HILL, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.