Hyman, David N.
Times Mirror/Mosby College, 1986
Buku Teks
Pindyck, Robert S.
Pearson/Prentice Hall, 2009
Buku Teks
Pindyck, Robert S.
Pearson, 2009
Buku Teks
Graham, Daniel A.
Heath , [1990]
Buku Teks
Katz, Michael L.
Irwin McGraw-Hill, 1998
Buku Teks