Nellen, Annette
Tax Aspects of Business Transactions: A First Course
Prentice-Hall, 1999
 Buku Teks
Glos, Raymond E.
Introduction to business: a textbook for the first course in business on the collegiate level
South-Western Publishing, 1967
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Glos, Raymond E.
Introduction to business: a textbook for the first course in business on the collegiate level
South-Western Publishing, 1963
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Hsiung, Chuan-Chih
A first course in differential geometry
John Wiley & Sons, 1981
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Ralston, Anthony
A first course in numerical analysis
McGraw-Hill, 1978
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