Riant Nugroho Dwidjowijoto
Pustaka Pelajar, 2014
Buku Teks
Rianto Nugroho
Pustaka Pelajar, 2012
Buku Teks SO
Renaud, Bertrand
Oxford University Press, 1981
Buku Teks SO
Jimenez, Emmanuel
The johns Hopkins University Press, 1987
Buku Teks
Weiss, John
Prentice-Hall, 1995
Buku Teks