Gaya APA

Gasperz, V. (2006). ISO 9001 : 2000 and Continual Quality Improvement (Cet 4). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Gasperz, Vincent. "ISO 9001 : 2000 and Continual Quality Improvement". Cet 4 Jakarta: Gramedia Pustaka Utama, 2006. Text.