Enders, Walter, 1948-
John Wiley & Sons, 2015
Buku Teks
Gujarati, Damodar N.
McGraw-Hill , 1988
Buku Teks
Greene, William H., 1951-
Prentice-Hall, 2000
Multimedia
Greene, William H., 1951-
Pearson Education, 2003
Buku Teks
Greene, William H., 1951-
Pearson Prentice-Hall, 2008
Buku Teks