Wynne, George G.
Bonvent , 1973
Buku Teks
Yoo, Yang-seok, author
Myung Won Culture, 2007
Buku Teks
Johns, Yohanni, author
Periplus Edition (HK), 1977
Buku Teks
Johns, Yohanni, author
Periplus Editions Limited, 1990
Buku Teks
Bennett, Olivia, author
Palgrave Macmillan, 2012
Buku Teks