FRISCH, R. A. K. (1976). Economic planning studies: A collection of essays. D.Reidel.
Cita Chicago (17th ed.)FRISCH, Ragnar Anton Kittil. Economic Planning Studies: A Collection of Essays. Dordrecht-Holland: D.Reidel, 1976.
Cita MLA (9th ed.)FRISCH, Ragnar Anton Kittil. Economic Planning Studies: A Collection of Essays. D.Reidel, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.