F.Zeuthen. (1957). Economic theory and method. Longmans.
Cita Chicago (17th ed.)F.Zeuthen. Economic Theory and Method. London: Longmans, 1957.
Cita MLA (9th ed.)F.Zeuthen. Economic Theory and Method. Longmans, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.