Gaya APA

Astra: Semangat Astra, Semangat Indonesia!. (2018). Jakarta: PT. Astra International. Tbk.

Gaya MLA

Astra: Semangat Astra, Semangat Indonesia!. Edisi 8 Agustus 2018. Jakarta: PT. Astra International. Tbk, 2018. Text.