Champbell, I.C.
University of Canterbury Press, 1989
Buku Teks
Campbell, I.C., author
University of Queensland Press, 1989
Buku Teks
Grattan, C. Hartley, author
The University of Michigan Press, 1963
Buku Teks
Mal, William
Prentice-Hall, 1977
Buku Teks
Malm, William P.
Prentice-Hall, 1967
Buku Teks