Gaya APA
Harris, Michael, Mower, David, Sikorzynka, Anna. (2001).
Opportunities elementary students' book .
England:
LONGMAN.
Gaya Chicago
Harris, Michael, Mower, David, Sikorzynka, Anna.
Opportunities elementary students' book.
England:
LONGMAN,
2001.
.
Gaya MLA
Harris, Michael, Mower, David, Sikorzynka, Anna.
Opportunities elementary students' book.
England:
LONGMAN,
2001.
.
Gaya Turabian
Harris, Michael, Mower, David, Sikorzynka, Anna.
Opportunities elementary students' book.
England:
LONGMAN,
2001.
.