APA引文

Spencer, M. (1986). Contemporary economics (6th. ed.). Worth.

Chicago Style (17th ed.) Citation

Spencer, Milton. Contemporary Economics. 6th. ed. New York: Worth, 1986.

MLA引文

Spencer, Milton. Contemporary Economics. 6th. ed. Worth, 1986.

警告：這些引文格式不一定是100％准確.