edited by Morris Bornstein, Daniel R. Fusfeld
Richard D. Irwin, 1966
Buku Teks
edited, with an introduction by Bruce Glassburner
Cornell University Press, 1971
Buku Teks
Narver, John C., author
Holt, Rinehart and Winston, 1971
Buku Teks
Crutchfield, James A., author
Prentice-Hall, 1965
Buku Teks
Grampp, William D.
Richard D. Irwin , 1953
Buku Teks