Kluwer Academic Publishers, 2018
Majalah, Jurnal, Buletin
Emerald, 2016
eBooks
Cohen, Paul R.
Pitman Advanced Publishing, 1985
Buku Teks SO
Laffont, Jean-Jacques
Harvard University Press, 1980
Buku Teks SO
McKenna, C.J.
Wheatsheaf Book, 1986
Buku Teks