APA استشهاد

Sachs, I. (1965). Foreign trade and economic development of under developed countries. Asia.

استشهاد بنمط شيكاغو

Sachs, Ignacy. Foreign Trade and Economic Development of Under Developed Countries. Bombay: Asia, 1965.

MLA استشهاد

Sachs, Ignacy. Foreign Trade and Economic Development of Under Developed Countries. Asia, 1965.