Carson, R. L. (1973). Comparative economic systems. Macmillan.
Lua i Stíl Chicago (17ú heag.)Carson, Richard L. Comparative Economic Systems. New York: Macmillan, 1973.
Lua MLA (8ú heag.)Carson, Richard L. Comparative Economic Systems. Macmillan, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.