Gaya APA
West, G. (1987).
Quality control for the plastics industry: an applications quide .
Inggris:
LPPM UPN Veteran Yogyakarta.
Gaya MLA
West, G.H..
"Quality control for the plastics industry: an applications quide".
Inggris:
LPPM UPN Veteran Yogyakarta,
1987.
Text.