Seth, M. (1973). Principles of economics (9th.). Lakshmi narain A.
Chicagoスタイル(17版)引用形式Seth, M. Principles of Economics. 9th. NULL: Lakshmi narain A, 1973.
MLA(9版)引用形式Seth, M. Principles of Economics. 9th. Lakshmi narain A, 1973.
警告: この引用は必ずしも正確ではありません.