APA (7th ed.) Citation

Ruffin, R. J. (1988). Principles of microeconomics (3ª ed.). Scott, Foresman.

Chicago Style (17th ed.) Citation

Ruffin, Roy J. Principles of Microeconomics. 3ª ed. Scott, Foresman, 1988.

MLA (9th ed.) Citation

Ruffin, Roy J. Principles of Microeconomics. 3ª ed. Scott, Foresman, 1988.

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