Gujarati, Damodar N., author
McGraw-Hill , 1978
Buku Teks
Brennan, Michael J., author
South-Western, 1973
Buku Teks
Verbeek, Marno, author
John Wiley & Sons, 2012
Buku Teks
Mirer, Thad W., author
Macmillan, 1990
Buku Teks
Dhrymes, Phoebus J., author
Springer-Verlag, 1989
Buku Teks