Gaya APA

Sugeng, B. (2020). Contextual English 1: Enriched With Character Building Education For Grade X Of Senior High Schools. (Jil.1). Tokyo: Tiga Serangkai.

Gaya MLA

Sugeng, Bambang. "Contextual English 1: Enriched With Character Building Education For Grade X Of Senior High Schools.". Jil.1 Tokyo: Tiga Serangkai, 2020. Text.