BognaĆ?r, Botond, author
Wiley-Academy, 2001
Buku Teks
Watanabe, Hiroshi, 1938-
Meisie Publications, 1996
Buku Teks
Brown, John Mason, author
Harper & Row, 1965
Buku Teks
Brown, John Mason, author
Harper & Row, 1965
Buku Teks
Thurm, Marian, author
Penguin Books, 1984
Buku Teks