Elwell-Sutton, L. P.
Kegan Paul, Trench, Trubner, 1946
Buku Teks
Levy, Reuben
Hutchinson's University Library, 1951
Buku Teks
Sutanto Atmosumarto, author
Routledge, 1994
Buku Teks
Othman, Zaharah, author
Routledge, 1995
Buku Teks
SamPaio, Joao
Routledge, 1995
Buku Teks