Bhattacharya, P.B., author
Cambridge University Press, 1986
Buku Teks
Smith, Jonathan D.H., author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Whitelaw, Thomas A., author
Blackie Academic & Professional, 1995
Buku Teks
Barnes, Wilfred E., author
D. C. Hearth, 1963
Buku Teks
Ehrlich, Gertrude, author
PWS-Kentt Publishing, 1991
Buku Teks