Maisel, Herbert, author
McGraw-Hill, 1969
Buku Teks
Davis, William S., author
Addison-Wesley, 1981
Buku Teks
O`Brien, James A., 1936-, author
Richard D. Iriwin, 1986
Buku Referensi
Mader, Chris, author
Science Research Associates , 1974
Buku Teks
Gore, Marvin R., author
McGraw-Hill, 1984
Buku Teks