Mishan, Ezra J.
George Allen and Unwin, 1976
Buku Teks SO
Mishan, Ezra J.
Routledge, 1972
eBooks
Bruce, Colin
World Bank, 1976
Buku Teks
Kingma, Bruce R.
Libraries Unlimited, 2001
Buku Teks
Ray, Anandarup
John Hopkins University Press, 1984
Buku Teks