BOULDING, K. E. (1970). Economics as a science. Tata McGraw.
Cita Chicago (17th ed.)BOULDING, Kenneth E. Economics as a Science. Bombay: Tata McGraw, 1970.
Cita MLA (9th ed.)BOULDING, Kenneth E. Economics as a Science. Tata McGraw, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.