Cita APA (7a ed.)
Quirk, R., & Greenbaum, S. (2016). A university grammar of english (4th ed.). Longman , Pearson Education.
Cita Chicago Style (17a ed.)
Quirk, Randolph, y Sidney Greenbaum. A University Grammar of English. 4th ed. New Delhi: Longman , Pearson Education, 2016.
Cita MLA (9a ed.)
Quirk, Randolph, y Sidney Greenbaum. A University Grammar of English. 4th ed. Longman , Pearson Education, 2016.
Precaución: Estas citas no son 100% exactas.