Cutt, James, author
Australian National University Press, 1977
Buku Teks
By Kai Yu
Sense, 2012
eBooks
Hussain, K.M.
Organization for Economic Co-operation and Development , 1976
Buku Teks
Leftwich, Richard H., author
Dryden Press, 1985
Buku Teks
Rainer Matyssek, editors
[, Springer], 2012
eBooks