Glein, George A., author
Prentice-Hall, 1972
Buku Teks
Harrington, R.B., author
Dickenson, 1970
Buku Teks
Gleim, George A., author
McGraw-Hill, 1956
Buku Teks
Clark, Frank J., author
Erlangga, 1985
Buku Teks
Gregory, Robert Henry, author
Wadsworth, 1963
Buku Teks