Boulding, K. (1970). Economics as a science. Mc Graw Hill.
Cita Chicago (17th ed.)Boulding, K. Economics as a Science. New york: Mc Graw Hill, 1970.
Cita MLA (9th ed.)Boulding, K. Economics as a Science. Mc Graw Hill, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.