Oldham, Keith B.
John Wiley & Sons, 2012
Buku Referensi
Hiskia Achmad
Citra aditya bakti, 1992
Buku Teks
Mckenna, N.A.
Macmillan, 1939
Buku Teks
Lasia, Andrzej
NY : Springer New York : Imprint: Springer, 2014
Buku Teks
Crow, D.R.
Chapman and Hall, 1988
Buku Teks