Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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