Stephanopoulos, George, author
Prentice-Hall, 1984
Buku Teks
Stephanopoulos, George, author
Prentice-Hall, 1997
Buku Teks
Borer, J.R., author
McGraw-Hill, 1974
Buku Teks
Coughanowr, Donald R., author
McGraw-Hill, 1991
Buku Teks
Coughanowr, Donald R., author
McGraw-Hill, 1985
Buku Teks