Gupta, G. (1990). Managerial Economics G.s. Gupta. McGraw-Hill.
Chicago Style (17th ed.) CitationGupta, G.S. Managerial Economics G.s. Gupta. McGraw-Hill, 1990.
MLA引文Gupta, G.S. Managerial Economics G.s. Gupta. McGraw-Hill, 1990.
警告：這些引文格式不一定是100％准確.