Cooper, L. G., & Nakanishi, M. (1988). Market-share analysis: Evaluating competitive marketing effectiveness. Kluwer Academic Publishers.
Lua i Stíl Chicago (17ú heag.)Cooper, Lee G., agus Masao Nakanishi. Market-share Analysis: Evaluating Competitive Marketing Effectiveness. Boston: Kluwer Academic Publishers, 1988.
Lua MLA (9ú heag.)Cooper, Lee G., agus Masao Nakanishi. Market-share Analysis: Evaluating Competitive Marketing Effectiveness. Kluwer Academic Publishers, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.