Burke, W. Warner
Institute for Applied Behavioral Science, 1970
Buku Teks
APEC Economic Leaders Meeting, 1994
Buku Referensi
edited by Ray Wood
CCH Australia, 1978
Buku Teks
Gulley, Halbert E.
Holt, Rinehart and Wiston, 1960
Buku Teks
edited by Marc Perlman; Indonesian translation by Tinuk Rozalia Yampolsky and Marc Perlman
The Festival of Indonesia Foundation, 1992
Buku Teks