Παραπομπή APA

Benham, F. (1961). Economic aid to underdeveloped countries. Oxford University.

Παραπομπή Chicago Style

Benham, Frederic. Economic Aid to Underdeveloped Countries. London: Oxford University, 1961.

Παραπομπή MLA

Benham, Frederic. Economic Aid to Underdeveloped Countries. Oxford University, 1961.