Feldstein, Paul J.
John Wiley & Sons, 1988
Buku Teks
Drummond, Michael F.
Oxford University Press, 1989
Buku Teks
Drummond, Michael F.
Oxford Univesity Press, 1980
Buku Teks
Elisabeth Sri Lestari
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2009
UI - Tesis Open
Mooney, Gavin H.
Harvester Wheatsheaf, 1994
Buku Teks