Gujarati, Damodar N.
McGraw-Hill, 2009
Buku Teks
Carrington, Gerald
Oxford University Press, 1994
Buku Teks
Grob, Bernard
McGraw-Hill, 1977
Buku Teks
Ford, Kenneth W.
Blaisdell Publishing, 1968
Buku Teks
edited by Vinay Kumar, Ramzi S. Cotran, Stanley Robbins
Saunders , 1997
Buku Teks