Boulding, Kenneth Ewart, 1910-1993
Harper & Row, 1966
Buku Teks SO
Robinson, Joan
C.A. Watts, 1962
Buku Teks SO
Kirzner, Israel M.
D. Van Nostrand, 1960
Buku Teks SO
Meade, James E.
University of Chicago Press, 1953
Buku Teks
edited by David Greenaway, Michael Bleaney, and Ian Stewart
Routledge, 1991
Buku Referensi