Coombs, H.C.
Australian National University Press, 1978
Buku Teks
Berndt, Catherine H.
Pitman, 1983
Buku Teks
John Wiley and Sons Australasia Pty. Ltd., 1973
Buku Teks
Sisca Ameliawati Rudy
2015
UI - Skripsi (Membership)
George Allen and Unwin, 1985
Buku Teks