Ellman, M. (1988). Socialist planning (2nd ed.). Cambridge University Press.
Cita Chicago (17th ed.)Ellman, Michael. Socialist Planning. 2nd ed. Cambridge [England]: Cambridge University Press, 1988.
Cita MLA (9th ed.)Ellman, Michael. Socialist Planning. 2nd ed. Cambridge University Press, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.