APA aipamena

Gammidge, M. Speaking extra. A resource book of multi-level skills activities.

Chicago Style aipamena

Gammidge, Mick. Speaking Extra. A Resource Book of Multi-level Skills Activities.

MLA aipamena

Gammidge, Mick. Speaking Extra. A Resource Book of Multi-level Skills Activities.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.