Gaya APA
Soeprapto, F., Darwis, M. (2005).
Linked to The World English for Senior High School Grade XII Social Program .
JAKARTA:
Yudhistira.
Gaya MLA
Soeprapto, F.A.., Darwis, Mariana.
"Linked to The World English for Senior High School Grade XII Social Program".
JAKARTA:
Yudhistira,
2005.
Text.