Campbell, I.C.
University of Queensland Press, 1989
Buku Teks
Champbell, I.C.
University of Canterbury Press, 1989
Buku Teks
Howkins, Adrian
Oxford University Press, 2017
eBooks
Mal, William
Prentice-Hall, 1977
Buku Teks
Malm, William P.
Prentice-Hall, 1967
Buku Teks