Gaya APA
Sugeng, B. (2019).
Contextual English for Grade XI of Senior High School .
Solo:
Tiga Serangkai Pustaka Mandiri.
Gaya MLA
Sugeng, Bambang.
"Contextual English for Grade XI of Senior High School".
Solo:
Tiga Serangkai Pustaka Mandiri,
2019.
Text.