LILIEN GARY L. (1983). MARKETING DECISION MAKING CHAPTER 12 - 22. HARPER & ROW.
Lua i Stíl Chicago (17ú heag.)LILIEN GARY L. MARKETING DECISION MAKING CHAPTER 12 - 22. NEW YORK: HARPER & ROW, 1983.
Lua MLA (9ú heag.)LILIEN GARY L. MARKETING DECISION MAKING CHAPTER 12 - 22. HARPER & ROW, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.