Andrew Hurrell, Ngaire Woods, Satria Utama S., Diana Arimbi
Fakultas Ekonomi UI, 2001
Buku Teks
Padelford, Norman J.
Macmillan, 1962
Buku Teks
Rourke, John T.
McGraw-Hill, 2001
Buku Teks
Nikolaos Tzifakis, editor
[Springer, ], 2012
eBooks
Lerche, Charles O., Jr.
Oxford University Press, 1956
Buku Teks