APA (7th ed.) Zitazioa

Colbourn, S. (2007). Robin hood (abridged version): 4 (pre-intermediate level). Macmillan.

Chicago Style (17th ed.) Zitazioa

Colbourn, Stephen. Robin Hood (abridged Version): 4 (pre-intermediate Level). Oxford: Macmillan, 2007.

MLA (9th ed.) Zitazioa

Colbourn, Stephen. Robin Hood (abridged Version): 4 (pre-intermediate Level). Macmillan, 2007.