Lumb, R.D
University Quesland Press, 1966
Buku Teks
Lumb, R.D., author
Butterworth, 1986
Buku Teks
Lumb, R.D., author
Queensland University of Queensland Press, 1965
Buku Teks
Churchill, R.R., author
Manchester University Press, 1992
Buku Teks
Bowett, D. W. (Derek William), author
Manchester University Press, 1967
Buku Teks