Christ, Carl F.
Wiley Eastern Private, 1996
Buku Teks SO
Brown, T. Merritt
Macmillan, 1970
Buku Teks
Pindyck, Robert S.
Irwin McGraw-Hill, 1997
Buku Teks SO
Pindyck, Robert S.
McGraw-Hill, 1991
Buku Teks SO
Pindyck, Robert S.
McGraw-Hill Irwin, 1998
Buku Teks SO