Gaya APA
Hill, T, 1.
(1991).
Production & operations management : text and cases
(
2nd.ed.)
.
New Jersey:
Prentice Hall.
Gaya MLA
Hill, Terry,, 1940.
"Production & operations management : text and cases".
2nd.ed.
New Jersey:
Prentice Hall,
1991.
Text.