Gaya APA
Soeprapto, F., Darwis, M. (2007).
Linked to The World 3 (English for Senior High School Grade XII) .
Jakarta:
Yudhistira.
Gaya MLA
Soeprapto, F.A.., Darwis, Mariana.
"Linked to The World 3 (English for Senior High School Grade XII)".
Jakarta:
Yudhistira,
2007.
Text.