APA (7th ed.) Zitazioa

Spratt, M. (1989). Tuning in (1a. ed.). Longman.

Chicago Style (17th ed.) Zitazioa

Spratt, Mary. Tuning in. 1a. ed. Londres: Longman, 1989.

MLA (9th ed.) Zitazioa

Spratt, Mary. Tuning in. 1a. ed. Longman, 1989.