Cita APA (7th ed.)
Gregory R Paul & Stuart, R. . C. (1980). Comparative economic systems. Houghton Mifflin Co.
Cita Chicago (17th ed.)
Gregory R Paul i Robert C. Stuart. Comparative Economic Systems. Boston: Houghton Mifflin Co, 1980.
Cita MLA (9th ed.)
Gregory R Paul i Robert C. Stuart. Comparative Economic Systems. Houghton Mifflin Co, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.