Gaya APA

Sugeng, B. et al (2018). Contextual English (Enriched with Character Building Education) For Grade X of Senior High Schools Reguler Program . Solo: PT. Tiga Serangkai Pustaka Mandiri.

Gaya MLA

Sugeng, Bambang. et al. "Contextual English (Enriched with Character Building Education) For Grade X of Senior High Schools Reguler Program". Solo: PT. Tiga Serangkai Pustaka Mandiri, 2018. Text.