Rage, Louis J., author
Scranton, Penn., International Textbook
Buku Teks
Coughanowr, Donald R., author
McGraw-Hill, 1991
Buku Teks
Coughanowr, Donald R., author
McGraw-Hill, 1985
Buku Teks
Coughanowr, Donald R., author
McGraw-Hill, 1965
Buku Teks
Wilson, Charles E., author
Harper & Row , 1989
Buku Teks