Nakamura, Hajime
University Press Hawaii, 1981
Buku Teks
Albert, Lillie R.
Springer Science, 2012
eBooks
Oudendyk, William J.
Peter Davies, 1939
Buku Teks
Stacey, Ralph D.
Financial Times Prentice Hall, 2011
Buku Teks
Althen, Gery
Intercultural Press, 2003
Buku Teks