Gaya APA
Harris,Michael. (2000).
Oppertunities : Upper Intermediate .
Longman:
Longman.
Gaya Chicago
Harris,Michael.
Oppertunities : Upper Intermediate.
Longman:
Longman,
2000.
.
Gaya MLA
Harris,Michael.
Oppertunities : Upper Intermediate.
Longman:
Longman,
2000.
.
Gaya Turabian
Harris,Michael.
Oppertunities : Upper Intermediate.
Longman:
Longman,
2000.
.