Barry, Roger G., author
Routledge, 1998
Buku Teks
Aguado, Edward, author
Prentice-Hall, 2001
Buku Teks
Ahrens, C. Donald, author
Brooks/Cole Cengage Learning, 2011
Buku Teks
Seargent, David A. J., author
Springer, 2012
eBooks
Ahrens, C. Donald, author
Brooks/Cole, Cengage Learning, , 2011
Buku Teks