Gothmann, William H.
Electronics : a contemporary approach / William H. Gothmann
Prentice-Hall, 1980
 Buku Teks
Gothmann, William H.
Digital electronics : an introduction to theory and practice / William H. Gothmann
Prentice-Hall, 1982
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Bolen, William H.
Contemporary retailing / William H. Bolen
Prentice Hall International, 1988
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Meserve, Bruce B.
Contemporary mathematics
Prentice-Hall, 1972
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Harter, James H
Mathematics applied to electronics secon edition/James H. Harter and Wallace D. Beitzel
Reston Publishing Company, 1984
 Buku Teks