Gaya APA

Crowley, C. et al (2018). Words in deep blue (BI) (Cet. 1 April 2018). Jakarta: Noura Books.

Gaya MLA

Crowley, Cath. et al. "Words in deep blue (BI)". Cet. 1 April 2018 Jakarta: Noura Books, 2018. Text.