Sexton, R. L. (1995). Microeconomics. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Sexton, Robert L. Microeconomics. Englewood Cliffs, N. J: Prentice Hall, 1995.
Lua MLA (9ú heag.)Sexton, Robert L. Microeconomics. Prentice Hall, 1995.
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