Penguin Books, 1978
Buku Teks
Tuqan, Mustafa Izzat
The Hague Centre for the Study of Education in Changing societics, 1975
Buku Teks
Hettne, Bjorn 1939-
Longman Scientific & Technical , 1995
Buku Teks
Bhagwati, Jagdish, author
MIT Press, c1991
Buku Teks
Archibald, W. Peter (William Peter), 1943-, author
McGraw-Hill Ryerson, 1978
Buku Teks