APA استشهاد

Vanek, J. (1967). Estimating foreign resource needs for economic development. McGraw-Hill.

استشهاد بنمط شيكاغو

Vanek, Jaroslaw. Estimating Foreign Resource Needs for Economic Development. New York: McGraw-Hill, 1967.

MLA استشهاد

Vanek, Jaroslaw. Estimating Foreign Resource Needs for Economic Development. McGraw-Hill, 1967.