Gaya APA
Woelfel, C, J. (1987).
Budgeting, Pricing & Cost Controls: A Desktop Encyclopedia .
Chicago,Illinois:
Probus Publishing Company.
Gaya MLA
Woelfel, Charles, J..
"Budgeting, Pricing & Cost Controls: A Desktop Encyclopedia".
Chicago,Illinois:
Probus Publishing Company,
1987.
Text.