Sichel, W. (1977). Basic economic concepts: Microeconomics. Chicago: Rand McNally College Publishing Company.
Chicago Style CitationSichel, Werner. Basic Economic Concepts: Microeconomics. Chicago: Rand McNally College Publishing Company, 1977.
Cita MLASichel, Werner. Basic Economic Concepts: Microeconomics. Chicago: Rand McNally College Publishing Company, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.