@inbook{1182007443, author={Joanna Ríos and José Fernández Torres and Tamara Anahí Ríos}, title={Verb Tables}, booktitle={Complete Medical Spanish, 3e}, publisher={McGraw Hill}, address={New York, NY}, year={2015}, url={accessphysiotherapy.mhmedical.com/content.aspx?aid=1182007443} }