Gaya APA
Darwis, M., Soeprapto, F.
(2005).
Linked to the world english for senior high school
.
Jakarta:
Yudishtira.
Gaya MLA
Darwis, Mariana., Soeprapto, F.A.
"Linked to the world english for senior high school".
Jakarta:
Yudishtira,
2005.
Text.