APA (7th ed.) Zitazioa

Osborne, J. (1972). The gift of friendship: A play for television. Faber.

Chicago Style (17th ed.) Zitazioa

Osborne, John. The Gift of Friendship: A Play for Television. London: Faber, 1972.

MLA (9th ed.) Zitazioa

Osborne, John. The Gift of Friendship: A Play for Television. Faber, 1972.