Choi, In-Hoon, author
Si-sa-yong-o-sa, 1988
Buku Teks
Matsushita, Konosuke, author
PHP Institute International, 1982
Buku Teks
Bronowski, J.
Natural History Press, 1966
Buku Teks
Perry, Ralph Barton
George Braziller, Inc., 1956
Buku Teks
Carrel, Alexis, author
Penguin Books, 1967
Buku Teks