Pindyck, Robert S., author
Pearson, 2006
Buku Teks
Pindyck, Robert S., author
Indeks, 2007
Buku Teks
Braff, Allan J.
John Wiley & Sons, 1969
Buku Teks
Eggert, Jim, author
William Kaufmann, 1979
Buku Teks
Freeman, A. Myrick, 1936-, author
Harper & Row , 1983
Buku Teks