Koopmans, T. C. (1970). Scientific papers of Tjalling C. Koopmans. Springer-Verlag.
Cita Chicago (17th ed.)Koopmans, Tjalling Charles. Scientific Papers of Tjalling C. Koopmans. Berlin: Springer-Verlag, 1970.
Cita MLA (9th ed.)Koopmans, Tjalling Charles. Scientific Papers of Tjalling C. Koopmans. Springer-Verlag, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.