Gaya APA
SUGENG, B. et al (2019).
CONTEXTUAL ENGLISH FOR GRADE XI OF SENIOR HIGH SCHOOLS REGULAR PROGRAM .
SOLO:
TIGA SERANGKAI PUSTAKA UTAMA.
Gaya MLA
SUGENG, BAMBANG. et al.
"CONTEXTUAL ENGLISH FOR GRADE XI OF SENIOR HIGH SCHOOLS REGULAR PROGRAM".
SOLO:
TIGA SERANGKAI PUSTAKA UTAMA,
2019.
Text.