Peterson, W. L. (1990). Principles of economics: Micro (Ed.7.).
Chicago Edition CitationPeterson, Willis L. Principles of Economics: Micro. Ed.7. New Delhi, Universal Book Stall, 1990.
MLA引文Peterson, Willis L. Principles of Economics: Micro. Ed.7. 1990.
警告:這些引文格式不一定是100%准確.