Murthys, Mantha Ram
Law Publisher (India) , 1995
Buku Teks
Webb, Sharon, author
Atheneum, 1984
Buku Teks
Luh Ketut Suryani, author
ITB Press, 1999
Buku Teks
Heine, Bernd, author
Cambridge Press, 2006
Buku Teks
Murthy, M.R.S.
Tata McGraw-Hill , 1988
Buku Teks