Gaya APA
GASPERSZ, V.
(2013).
All-in-one Bundle of ISO 9001, ISO 14001,OHSAS 18001
.
Jakarta:
Tri-Al-Bros Publishing.
Gaya MLA
GASPERSZ, Vincent.
"All-in-one Bundle of ISO 9001, ISO 14001,OHSAS 18001".
Jakarta:
Tri-Al-Bros Publishing,
2013.
Buku.