A personal

http://www.studyspanish.com/lessons/persa.htm

http://www.spanish411.net/Spanish-Personal-A.asp

http://www.123teachme.com/learn_spanish/the_personal_a

http://study.com/academy/practice/quiz-worksheet-the-personal-a-in-spanish.html

http://www.studyspanish.com/practice/persa.htm

http://www.learnspanishfeelgood.com/prepositions-personal-a1.html

http://www.bowdoin.edu/~eyepes/newgr/ats/21.htm

https://www.quia.com/jg/1812860.html

https://www.quia.com/cm/388607.html

https://www.quia.com/quiz/644599.html

https://www.quia.com/quiz/644599.html