Colquhoun, Ian
Housing design : an international perspective
B.T. Batsford, 1991
 Buku Referensi
International law in comparative perspective
edited by William E. Butler
Sijthoff & Noordhoff, 1980
 Buku Teks SO
Griffin, Ricky W.
International business a managerial perspective
Addison-Wesley, 1995
 Buku Teks
Griffin, Ricky W.
International business : a managerial perspective
Prentice-Hall, 2002
 Buku Teks
Dahringer, Lee D.
International marketing : a global perspective
Addison-Wesley, 1991
 Buku Teks SO