Cita APA (7a ed.)
United Kingdom Reading Association & United Kingdom Literacy Association. Reading. Blackwell Pub.
Cita Chicago Style (17a ed.)
United Kingdom Reading Association y United Kingdom Literacy Association. Reading. Oxford: Blackwell Pub.
Cita MLA (9a ed.)
United Kingdom Reading Association y United Kingdom Literacy Association. Reading. Blackwell Pub.
Precaución: Estas citas no son 100% exactas.