APA استشهاد

Barzanti, S. (1965). Under developed areas within the common market. Princeton.

استشهاد بنمط شيكاغو

Barzanti, Sergio. Under Developed Areas Within the Common Market. New Jersey: Princeton, 1965.

MLA استشهاد

Barzanti, Sergio. Under Developed Areas Within the Common Market. Princeton, 1965.