Hiroshi, Yoshikawa
LTCB International Library Trust/International House of Japan, 2002
Buku Teks
Gibson, Charles H., author
Thomson, 2005
Buku Teks
Walker, William, author
Cambridge University Press, 2009
eBooks
Roberts, Charles E.
Prentice-Hall, 1979
Buku Teks
Leslie, Louis A.
McGraw-Hill, 1955
Buku Teks