APA استشهاد

Dowhing, E. T. (1980). Schaum's outline of theory and problems of Mathematics for economists. Mc Graw- Hill Book Company Inc.

استشهاد بنمط شيكاغو

Dowhing, Edward T. Schaum's Outline of Theory and Problems of Mathematics for Economists. Newyork: Mc Graw- Hill Book Company Inc, 1980.

MLA استشهاد

Dowhing, Edward T. Schaum's Outline of Theory and Problems of Mathematics for Economists. Mc Graw- Hill Book Company Inc, 1980.