APA aipamena

Ramsey, G., & Parnall, H. R. (1989). Well spoken. England: Longman.

Chicago Style aipamena

Ramsey, Gaynor, và Hilary Rees Parnall. Well Spoken. England: Longman, 1989.

MLA aipamena

Ramsey, Gaynor, và Hilary Rees Parnall. Well Spoken. England: Longman, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.