Gaya APA
Amos,Eduardo. (2003).
Winner Students Book 2 (ed.2).
USA:
Longman.
Gaya Chicago
Amos,Eduardo.
Winner Students Book 2.
ed.2
USA:
Longman,
2003.
.
Gaya MLA
Amos,Eduardo.
Winner Students Book 2.
ed.2
USA:
Longman,
2003.
.
Gaya Turabian
Amos,Eduardo.
Winner Students Book 2.
ed.2
USA:
Longman,
2003.
.