Makkink, H.J.
Nijgh and Van Ditmar, 1951
Buku Teks
Drummond, Gordon
Essex Longman, 1972
Buku Teks
Murphy, Raymond
Cambridge University Press, 1998
Buku Teks
Hewings, Martin
Cambridge University Press, 2005
Buku Teks
Dhanny R. Cyssco
Puspa Swara, 2004
Buku Teks