Ferguson, C., & Kreps, J. M. (1965). Principles of economics (2nd ed.).
Chicago Edition CitationFerguson, C.E, i Juanita M. Kreps. Principles of Economics. 2nd ed. Calcutta, 1965.
Cita MLAFerguson, C.E, i Juanita M. Kreps. Principles of Economics. 2nd ed. 1965.
Atenció: Aquestes cites poden no estar 100% correctes.