Roolvink, R., author
Djambatan, 1957
Buku Referensi
general editors, Christopher Moseley and R.E. Asher; section editors Mary Tait ... [and others]
Routledge, New York Routledge Reference 1994
Buku Referensi
general editors, Christopher Moseley, R.E. Asher
Routledge, 1994
Buku Referensi
Robinson, Francis, author
Facts on File, 1982
Buku Referensi
Ralby, Aaron, author
Parragon Books, 2013
Buku Referensi