APA استشهاد

Onyemelukwe, C. C. A. (2009). The science of economic development and growth: The theory of factor proportions.

استشهاد بنمط شيكاغو

Onyemelukwe, Clement C; Author. The Science of Economic Development and Growth: The Theory of Factor Proportions. New Delhi, Reference Press, 2009.

MLA استشهاد

Onyemelukwe, Clement C; Author. The Science of Economic Development and Growth: The Theory of Factor Proportions. 2009.