Katz, Michael L.
Irwin McGraw-Hill, 1998
Buku Teks SO
Pindyck, Robert S.
Prentice-Hall, 1995
Buku Teks SO
Mansfield, Edwin
W.W. Norton, 1985
Buku Teks SO
Pindyck, Robert S.
Prentice-Hall, 1998
Buku Teks SO
Pindyck, Robert S.
Pearson/Prentice Hall, 2009
Buku Teks SO