APA(7版)引用形式

Leftwich, R. H., & Sharp, A. M. (1980). Economics of social issues (4th ed.). Business Publications.

Chicagoスタイル(17版)引用形式

Leftwich, R. H., , A. M. Sharp. Economics of Social Issues. 4th ed. USA: Business Publications, 1980.

MLA(9版)引用形式

Leftwich, R. H., , A. M. Sharp. Economics of Social Issues. 4th ed. Business Publications, 1980.

警告: この引用は必ずしも正確ではありません.