Lenk, John D., author
McGraw-Hill, 1994
Buku Referensi
Lenk, John D., author
McGraw-Hill, 1993
Buku Referensi
Poe, Roy W., author
McGraw-Hill, 1988
Buku Teks
Pender, Harold, author
John Wiley & Sons, 1950
Buku Referensi
Traister, John E., author
McGraw-Hill, 1997
Buku Referensi