Alderfer, E.B.
Economics of American industry
McGraw-Hill, 1950
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Wilcox, Walter W.
Economics of American agriculture
Prentice-Hall, 1951
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The economics of poverty : an American paradox
edited by Burton A. Weisbrod
Prentice-Hall, 1965
 Buku Teks
The economics of poverty : an American paradox
edited by Burton A. Weisbrod
Prentice-Hall, 1965
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Bone, Hugh A.
American politics and the party system
McGraw-Hill, 1965
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