Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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