Palmer, Vance, author
University of Queensland Press, 1973
Buku Teks
Palmer, Vance, author
University of Queensland, 1972
Buku Teks
Palmer, Vance, author
Longman Cheshire, 1981
Buku Teks
Lee, Won-jun, author
Jakeun Ssiat, 2009
Buku Teks
Vance, Stanley C., author
McGraw-Hill , 1959
Buku Teks