edited by G.A. Leonards
McGraw-Hill, 1962
Buku Teks
Arora, K.R., author
Lomus, 2003
Buku Teks
Gow, Charles R.
Macmillan, 1931
Buku Teks
Wilun, Zenon
Surrey University Press, 1975
Buku Teks
Irma Nursubchiana Indah Iskandar, author
2008
UI - Skripsi (Open)