Cita APA (7th ed.)
Modlin, G. M. (1946). Development of Economic Society. Heath.
Cita Chicago (17th ed.)
Modlin, George Matthews. Development of Economic Society. EUA: Heath, 1946.
Cita MLA (9th ed.)
Modlin, George Matthews. Development of Economic Society. Heath, 1946.
Atenció: Aquestes cites poden no estar 100% correctes.