Gaya APA
BESTERFIELD, D, H., HELBA, S, [.
(2001).
Quality control
(
6th ed)
.
London:
Prentice-Hall International.
Gaya MLA
BESTERFIELD, Dale, H.., HELBA, Stephen, [ed.].
"Quality control".
6th ed
London:
Prentice-Hall International,
2001.
Buku.