Gaya APA
Dean,Michael. (2000).
Opportunities Intermediate: language Power Book .
Longman:
Pearson Education.
Gaya Chicago
Dean,Michael.
Opportunities Intermediate: language Power Book.
Longman:
Pearson Education,
2000.
.
Gaya MLA
Dean,Michael.
Opportunities Intermediate: language Power Book.
Longman:
Pearson Education,
2000.
.
Gaya Turabian
Dean,Michael.
Opportunities Intermediate: language Power Book.
Longman:
Pearson Education,
2000.
.