Prodromou L. Luke. (2005). Grammar and Vocabulary for First Certificate. Harlow, Longman, 2005.
Cita Chicago Style (17a ed.)Prodromou L. Luke. Grammar and Vocabulary for First Certificate. Harlow, Longman, 2005, 2005.
Cita MLA (9a ed.)Prodromou L. Luke. Grammar and Vocabulary for First Certificate. Harlow, Longman, 2005, 2005.
Precaución: Estas citas no son 100% exactas.