Gaya APA

Harris, Michael, Mower, David, Sikorzynska, Anna. (2000). Opportunities Intermediate . England: LONGMAN.

Gaya Chicago

Harris, Michael, Mower, David, Sikorzynska, Anna. Opportunities Intermediate. England: LONGMAN, 2000. .

Gaya MLA

Harris, Michael, Mower, David, Sikorzynska, Anna. Opportunities Intermediate. England: LONGMAN, 2000. .

Gaya Turabian

Harris, Michael, Mower, David, Sikorzynska, Anna. Opportunities Intermediate. England: LONGMAN, 2000. .