Hastings, Paul G.
Introduction to business
McGraw-Hill, 1974
 Buku Teks
Pride, William M.
Introduction to business
South Western Cengage Learning, 2012
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Musselman, Vernon A.
Introduction to modern business : issues and environment
Prentice Hall of India, 1982
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Diamond, Jay
Introduction to tcontemporary business / Jay Diamond
Prentice-Hall, 1975
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Musselman, Vernon A.
Introduction to modern business : analysis and interpretation
Prentice-Hal , 1969
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