Robinson, Marshall A.
An introduction to economic reasoning
Brookings Institution, 1962
 Buku Teks
Robinson, Marshall A.
An Introduction to economy reasoning
Brookings Institution, 1955
 Buku Teks
Leftwich, Richard H.
An introduction to economic thinking
Rienhard and Winston, 1969
 Buku Teks
Heimann, Eduard
History of economic doctrines : an introduction to economic theory
Oxford University Press, 1959
 Buku Teks
Boulding, Kenneth Ewart, 1910-1993
Economic analysis
Harper & Row, 1966
 Buku Teks