Kaplan, A. D. H., author
The Brookings Institutions, 1959
Buku Teks
Allen, Clark Lee, author
Wadsworth,, 1962
Buku Teks
Machlup, Fritz, author
The Blakiston Company, 1949
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Schneider, Erich, author
William Hodge, 1952
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Arnold, John, author
Accountancy Age Books , 1974
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