Mansfield, E. (1999). Managerial economics: Theory, applications, and cases (4th ed.). W.W. Norton.
Lua i Stíl Chicago (17ú heag.)Mansfield, Edwin. Managerial Economics: Theory, Applications, and Cases. 4th ed. New York: W.W. Norton, 1999.
Lua MLA (9ú heag.)Mansfield, Edwin. Managerial Economics: Theory, Applications, and Cases. 4th ed. W.W. Norton, 1999.