Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.