Johnson, Willis H., author
Holt, Rinehart and Winston, 1961
Buku Teks
Ehrlich, Paul R., author
McGraw-Hill, 1976
Buku Teks
Weisz, Paul B., author
McGraw-Hill, 1982
Buku Teks
Johnson, Kenneth D., author
The Benjamin, 1984
Buku Teks
Enger, Eldon D., author
Mc Graw Hill, 2003
Buku Teks