Pierce, Lawrence C.
Goodyear, 1971
Buku Teks
edited by John P. Blair, David Nachmias
Sage, 1979
Buku Teks
Altshuler, Alan
Massachusetts Institute of Technology Press, 1981
Buku Teks
selected by a committee of the American Economic Association
George Allen and Unwin, 1955
Buku Teks
Hansen, Alvin Harvey, 1887-1975
W.W. Norton, 1941
Buku Teks