Gaya APA
Dudick, T, S. (1991).
Handbook Of Product Cost Estimating And Pricing .
New Jersey:
Prentice Hall Business & Profesinal Division.
Gaya MLA
Dudick, Thomas, S..
"Handbook Of Product Cost Estimating And Pricing".
New Jersey:
Prentice Hall Business & Profesinal Division,
1991.
Printed.