Gaya APA
Sugeng, B. et al (2018).
Contextual English 2 : (Enriched with Character Building Education) .
Solo:
PT Tiga Serangkai Pustaka Mandiri.
Gaya MLA
Sugeng, Bambang. et al.
"Contextual English 2 : (Enriched with Character Building Education)".
Solo:
PT Tiga Serangkai Pustaka Mandiri,
2018.
Text.