Southworth, H. M. e. (1967). Agricultural development economic growth. Cornell Ur. pr.
Cita Chicago (17th ed.)Southworth, Herman M. ed. Agricultural Development Economic Growth. Ithaca: Cornell Ur. pr, 1967.
Cita MLA (9th ed.)Southworth, Herman M. ed. Agricultural Development Economic Growth. Cornell Ur. pr, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.