Varian, H. R. (1993). Intermediate microeconomics: A modern approach (3rd ed.). W. W. Norton & Company.
Lua i Stíl Chicago (17ú heag.)Varian, Hal R. Intermediate Microeconomics: A Modern Approach. 3rd ed. New York: W. W. Norton & Company, 1993.
Lua MLA (9ú heag.)Varian, Hal R. Intermediate Microeconomics: A Modern Approach. 3rd ed. W. W. Norton & Company, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.