McClain, Bebe Ferrell
Prentice-Hall, 1978
Buku Teks
Wood, Michael, author
Basic Book, 1936
Buku Teks
DeNitto, Dennis
Harper & Row Pub., 1985
Buku Teks
Shantika Martha, author
Universitas Indonesia, 2013
UI - Tesis (Membership)
Sato, Tadao, 1930-
Harper & Row, 1987
Buku Teks