Boulding, Kenneth Ewart, 1910-1993
Harper & Row, 1966
Buku Teks
Kirzner, Israel M.
D. Van Nostrand, 1960
Buku Teks
Lynn, Robert Athan, 1930-
McGraw-Hill, 1980
Buku Teks
Mehta, J.K.
Caitanya Publishing House, 1967
Buku Teks
Robinson, Joan
Basil Blackwell, 1960
Buku Teks