Gaya APA
Sugeng, B. (2019).
Contextual English : For Grade XII Of Senior High Schools = Reguler Program .
Solo:
Tiga Serangkai Pustaka Mandiri.
Gaya MLA
Sugeng, Bambang.
"Contextual English : For Grade XII Of Senior High Schools = Reguler Program".
Solo:
Tiga Serangkai Pustaka Mandiri,
2019.
Book.