Cita APA

Maurer, J., & Jay Maurer. (2011). Focus on grammar: An integrated skills approach. Third edition. White Plains, NY: Pearson Education.

Chicago Style Citation

Maurer, Jay, i Jay Maurer. Focus On Grammar: An Integrated Skills Approach. Third Edition. White Plains, NY: Pearson Education, 2011.

Cita MLA

Maurer, Jay, i Jay Maurer. Focus On Grammar: An Integrated Skills Approach. Third Edition. White Plains, NY: Pearson Education, 2011.