Islam, M. R., & Khan, M. I. (2007). Act prep plus 2019: 5 practice tests + proven strategies + online. Gulf Publishing Comany.
Cita Chicago (17th ed.)Islam, M R., i M I67137 Khan. Act Prep Plus 2019: 5 Practice Tests + Proven Strategies + Online. Texas: Gulf Publishing Comany, 2007.
Cita MLA (9th ed.)Islam, M R., i M I67137 Khan. Act Prep Plus 2019: 5 Practice Tests + Proven Strategies + Online. Gulf Publishing Comany, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.