Gaya APA
Gaspersz, V. (2005).
ISO 9001 : 2000 and Continual Quality Improvement cet. 4 (cet. 4).
jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Gaspersz, Vincent.
"ISO 9001 : 2000 and Continual Quality Improvement cet. 4".
cet. 4
jakarta:
Gramedia Pustaka Utama,
2005.
MM.