Gaya APA
Spargue, R, H., Carlson, E, D. (1983).
Building Effective Decision Support System .
New Jersey:
Grolier Incorporated.
Gaya MLA
Spargue, Ralph, H.., Carlson, Eric, D..
"Building Effective Decision Support System".
New Jersey:
Grolier Incorporated,
1983.
Buku.