Schroeder, Alice
The Snowball : Warren Buffett and the business of life
Bloomsbury, 2008
 Buku Teks
Wooden, Warren W.
Children's literature of the english renaissance / Warren W. Wooden
University Press of Kentucky, 1986.
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Kalbach, Warren E.
The demographic bases of Canadian society / Warren E. Kalbach, Wayne W. McVey
McGraw-Hill Ryerson, 1971
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Fraser, W.D.
Principles of property investment and pricing / by W. D. Frasesr
Macmillan Publishers Ltd., 1984
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Kaplan, A.D.H.
Pricing in big business : a case approach
Brookings Institutions, 1959
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