Greenlaw, Steven A., author
South Western, Cengage Learning, 2009
Buku Teks
edited by Luca Fiorito, Scott Scheall; Carlos Eduardo Suprinyak
Emerald, 2017
eBooks
Kobelt, Gisela, author
Office of Health Economics, 2002
Buku Teks
edited by W.W. Rostow
St. Martin's , 1963
Buku Teks
Alchian, Armen A., author
Wadsworth, 1968
Buku Teks