Cita APA (7th ed.)

Aragones, L., & Palencia, R. (2015). Advanced Spanish grammar: A practical guide to 100+ essential skills. McGraw-Hill Education.

Cita Chicago (17th ed.)

Aragones, Luis, i Ramon Palencia. Advanced Spanish Grammar: A Practical Guide to 100+ Essential Skills. New York: McGraw-Hill Education, 2015.

Cita MLA (9th ed.)

Aragones, Luis, i Ramon Palencia. Advanced Spanish Grammar: A Practical Guide to 100+ Essential Skills. McGraw-Hill Education, 2015.