edited for the Australian Institute of Agricultural Science by R.L. Reid.
Butterworth, 1990
Buku Referensi
Boxer, A. H.
Melbourne University Press, 1966
Buku Teks
edited by Richard Ivan Downing
Weidenfeld and Nicolson, 1973
Buku Teks
Schultz, Theodore W.
McGraw-Hill , 1945
Buku Teks
Shannon, Ian
F.W. Cheshire, 1955
Buku Teks