American Country Life Conference, 13th, Madison, Wisconsin, & American Country Life Association. (1931). Standards of living: Proceedings. Published by the University of Chicago Press for the American Country Life Association.
Citace podle Chicago (17th ed.)American Country Life Conference, 13th, Madison, Wisconsin, a American Country Life Association. Standards of Living: Proceedings. Chicago, Ill.: Published by the University of Chicago Press for the American Country Life Association, 1931.
Citace podle MLA (8th ed.)American Country Life Conference, 13th, Madison, Wisconsin, a American Country Life Association. Standards of Living: Proceedings. Published by the University of Chicago Press for the American Country Life Association, 1931.
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