Pigou, A.C. (Arthur Cecil), 1877-1959
Essays in economics
Macmillan, 1952
 Buku Teks
Hutchison, T. W. (Thomas W.)
Positive economics and policy objectives
George Allen and Unwin, 1964
 Buku Teks
Lipsey, Richard G.
An Introduction to positive economics
Weidenfeld and Nicolson, 1972
 Buku Teks
Lipsey, Richard G.
Economics
Harper Collin, 1996
 Buku Teks
Adreson, W. H. Locke
Economics
Prentice Hall of India, 1986
 Buku Teks