Ellis, H. S. (1952). A survey of contemporary economics. R. D. Irwin, for the American Economics Association.
Cita Chicago (17th ed.)Ellis, Howard Sylvester. A Survey of Contemporary Economics. Homewood, Ill: R. D. Irwin, for the American Economics Association, 1952.
Cita MLA (9th ed.)Ellis, Howard Sylvester. A Survey of Contemporary Economics. R. D. Irwin, for the American Economics Association, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.