Morgan, T. (1956). Introduction to economics (2d ed.). Prentice-Hall.
Chicago Style (17th ed.) ZitazioaMorgan, Theodore. Introduction to Economics. 2d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1956.
MLA (9th ed.) ZitazioaMorgan, Theodore. Introduction to Economics. 2d ed. Prentice-Hall, 1956.
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