Schiller, B. R. (2003). Student problem set for use with the Economy Today, the Macro Economy Today, the Micro Economy Today (9th ed.). McGraw-Hill.
芝加哥风格引文Schiller, Bradley R. Student Problem Set for Use with the Economy Today, the Macro Economy Today, the Micro Economy Today. 9th ed. New York: McGraw-Hill, 2003.
MLA引文Schiller, Bradley R. Student Problem Set for Use with the Economy Today, the Macro Economy Today, the Micro Economy Today. 9th ed. McGraw-Hill, 2003.
警告：这些引文格式不一定是100％准确.