APA (7th ed.) Zitazioa

Freeman, M., & Ewan, C. (2014). Office for Learning and Teaching: SP13-3227. Office for Learning and Teaching.

Chicago Style (17th ed.) Zitazioa

Freeman, Mark, eta Christine Ewan. Office for Learning and Teaching: SP13-3227. Office for Learning and Teaching, 2014.

MLA (9th ed.) Zitazioa

Freeman, Mark, eta Christine Ewan. Office for Learning and Teaching: SP13-3227. Office for Learning and Teaching, 2014.