Gaya APA
Harris, Michael, Mower, David, Sikorzynska, Anna. (2002).
Opportunities Upper Intermediate .
England:
LONGMAN.
Gaya Chicago
Harris, Michael, Mower, David, Sikorzynska, Anna.
Opportunities Upper Intermediate.
England:
LONGMAN,
2002.
.
Gaya MLA
Harris, Michael, Mower, David, Sikorzynska, Anna.
Opportunities Upper Intermediate.
England:
LONGMAN,
2002.
.
Gaya Turabian
Harris, Michael, Mower, David, Sikorzynska, Anna.
Opportunities Upper Intermediate.
England:
LONGMAN,
2002.
.