Battersby, A. (1999). English: Student's book 3. MacMillan.
Cita Chicago Style (17a ed.)Battersby, Alan. English: Student's Book 3. Oxford: MacMillan, 1999.
Cita MLA (9a ed.)Battersby, Alan. English: Student's Book 3. MacMillan, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.