Makkink, H.J.
Nijgh and Van Ditmar, 1951
Buku Teks
Socin, A
G.E. Stechert, 1942
Buku Teks
Newby, Michael
Cambridge University Press, 1988
Buku Teks
Woods, Geraldine
John Wiley & Sons, 2015
Buku Teks
Anderson, W.M. (Wendy M.)
Wiley Publishing , 2013
Buku Teks