APA(7版)引用形式

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

Chicagoスタイル(17版)引用形式

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

MLA(9版)引用形式

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

警告: この引用は必ずしも正確ではありません.