Cita APA (7a ed.)

Maurer, J. (2006). Focus on Grammar 5: An integrated skills approach (third edition.). Pearson Longman.

Cita Chicago Style (17a ed.)

Maurer, Jay. Focus on Grammar 5: An Integrated Skills Approach. third edition. United State: Pearson Longman, 2006.

Cita MLA (9a ed.)

Maurer, Jay. Focus on Grammar 5: An Integrated Skills Approach. third edition. Pearson Longman, 2006.