<ref name="Gillison_&_Anderson_1981">{{cite book |first1=A. N. |last1=Gillison |first2=D. J. |last2=Anderson |year=1981 |title=Vegetation classification in Australia |url= |location=Canberra |publisher=C.S.I.R.O. & Australian National University Press |pages=xxi + 229 pp. |isbn=}}</ref>