Dixon, Bernard
W.H. Freeman 1994, 1994
Buku Teks
Linton, Alan H.
John Wiley & Sons, 1982
Buku Teks SO
Heritage, J.
Cambridge University Press , 1999
Buku Teks
Schlegel, Hans Gunter, 1924-
Gadjah Mada Universitas press , 1994
Buku Teks
by Thomas D. Brock [and others]
Prentice-Hall, 1994
Buku Teks