Brown, Robert Goodell, author
New York, N.Y., Holt, Rinehart and Winston
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Buchman, Joseph, author
Englewood Cliffs, NJ, Prentice-Hall
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Dania Amani Yapono, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2021
UI - Tesis Membership
Carrol, Phil, author
New York, N.Y., McGraw-Hill
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Vollmann, Thomas E., author
Business One Irwin, 1993
Buku Referensi