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 SO
Boulding, Kenneth Ewart, 1910-1993
Economic analysis
Harper & Row, 1966
 Buku Teks SO
Robinson, Joan
Economic philosophy
C.A. Watts, 1962
 Buku Teks SO