Theil, H., author
North-Holland Publishing, 1975
Buku Teks
Pindyck, Robert S., author
McGraw-Hill, 1991
Buku Teks
Pindyck, Robert S., author
McGraw-Hill Irwin, 1998
Buku Teks
Pindyck, Robert S., author
McGraw-Hill, c1991
Buku Teks
Pindyek, Robert S., author
McGraw-Hill, 1981
Buku Teks