Gaya APA

Gaspersz, V. (2018). ISO 9001 : 2000 And Continual Qualioty Improvement (Cet.4). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Gaspersz, Vincent. "ISO 9001 : 2000 And Continual Qualioty Improvement". Cet.4 Jakarta: Gramedia Pustaka Utama, 2018. Text.