Herendeen, Robert A
John Wiley & Sons, 1998
Buku Teks
Grove, Richard H.
Cambridge University Press , 1996
Buku Teks
Jarvis, Peter J., author
Prentice-Hall, 2000
Buku Teks
edited by S.E. Jorgensen, B. Halling-Sorensen, S.N. Nielsen
Lewis Publishers, 1996
Buku Referensi
Cox, C. Barry, author
John Wiley & Sons, 2010
Buku Teks