Laksmi, author
Sagung Seto, 2007
Buku Teks
Chang, H.C., author
Edinburgh University Press, 1973
Buku Teks
Bardjan, author
2016
UI - Makalah dan Kertas Kerja
Lynch, Gordon, author
Blackwell Publishing, 2005
Buku Teks
Storey, John, 1950-, author
Prentice-Hall, 2000
Buku Teks