edited by Denis Murphy, Roger Joyce, Margaret Cribb
University of Queensland Press, 1990
Buku Teks
Fitzgerald, Ross
University of Queensland Press, 1989
Buku Teks
E.E. Schaefer
State Public Relations Bureau, 1976
Buku Referensi
Turabian, Kate L.
University of Chicago Press, 1982
Buku Teks
Pugh, Derek S.
Penguin Books, 1971
Buku Teks