Case, K. E. F. (2022). Principles of Economics (12th.). Noida.
Chicago Style (17th ed.) CitationCase, Karl E; Fair. Principles of Economics. 12th. Pearson India Education Services: Noida, 2022.
MLA引文Case, Karl E; Fair. Principles of Economics. 12th. Noida, 2022.
警告:這些引文格式不一定是100%准確.