edited by M.D. Jitendra
Anmol Publications, 1999
Buku Referensi
Nana Suhana, author
Program Pascasarjana Universitas Indonesia, 1998
UI - Tesis (Membership)
Liker, Jeffrey K., author
McGraw-Hill, 2007
Buku Teks
Deverell, C.S., author
London, Gee & Co
Buku Teks
Lockwood, Derek, author
Gramedia Pustaka Utama, 1994
Buku Teks