Wonnacott, Ronald J., author
John Wiley & Sons, 1979
Buku Teks
Maddala, G.S., author
McGraw-Hill, 1977
Buku Teks
Gujarati, Damodar N., author
McGraw-Hill, 2009
Buku Teks
Polock, D.S.G., author
John Wiley & Sons, 1979
Buku Teks
Gujarati, Damodar N., author
McGraw-Hill, 1992
Buku Teks