Ecklein, Joan Levin
John Wiley & Sons, 1972
Buku Teks SO
Fulda, Carl H.
Foundation Press, 1970
Buku Teks
Schefer, Krista Nadakavukaren
Edward Elgar Publishing, 2016
Buku Teks
Yanagida, Yukio
Harvard University Press, 1994
Buku Teks
Pugh, Richard Crawford
St.paul Minn, 1993
Buku Teks