Gaya APA
Purwanto, . (2007).
Pengendalian Kualitas Produk Container Series di PT. Cahaya Perdana Plastics .
Jakarta:
STIE Indonesia.
Gaya MLA
Purwanto, .
"Pengendalian Kualitas Produk Container Series di PT. Cahaya Perdana Plastics".
Jakarta:
STIE Indonesia,
2007.
Text.