Gaya APA
Darwis, M., Soeprapto, F. (2005).
Linked to The World English for Senior High School Grade XI .
Jakarta:
Yudistira.
Gaya MLA
Darwis, Mariana., Soeprapto, F.A..
"Linked to The World English for Senior High School Grade XI".
Jakarta:
Yudistira,
2005.
Text.