Gaya APA

Contextual English for Grade X of Senior High School. (2017). Solo: Pusat Kurikulum dan Perbukuan, Balitbang, Kemendikbud.

Gaya MLA

Contextual English for Grade X of Senior High School. . Solo: Pusat Kurikulum dan Perbukuan, Balitbang, Kemendikbud, 2017. Text.