edited by A.H. Dani and J.P. Mohen
Routledge , 1996
Buku Referensi
Sickle, C.E. van, author
Houghton Mifflin, 1947
Buku Teks
Hayes, Carlton J. H., author
Macmillan, 1932
Buku Teks
edited by Francesca Orsini
Cambridge University Press, 2006
Buku Teks
Departemen Pendidikan dan Kebudayaan
Jakarta Ministry of Education and Culture, Republic of Indonesia, 2012
Buku Teks