Chicago : University of Chicago Press
Majalah, Jurnal, Buletin
Australian : Bridge Printery Pty
Majalah, Jurnal, Buletin
New Jersey Prentice-Hall 1965
Buku Teks
London : Cambrudge Universiyty Press
Majalah, Jurnal, Buletin
Queensland : The University of Queensland Press, 1985
Majalah, Jurnal, Buletin