Gaya APA

Dawling, E, T, 1. (1980). Schaum's qutline of teory and problems of mathematics for economists . New York: McGraw - Hill Book Co.

Gaya MLA

Dawling, Edward, Thomas,, 1938. "Schaum's qutline of teory and problems of mathematics for economists". New York: McGraw - Hill Book Co, 1980. Text.