Hadley, G. (1971). Variational Methods in Economics. ELSEVIER.
Cita Chicago (17th ed.)Hadley, G. Variational Methods in Economics. ELSEVIER, 1971.
Cita MLA (8th ed.)Hadley, G. Variational Methods in Economics. ELSEVIER, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.