APA Citation

Schoenberg, I. E. (2012). Focus on grammar 2. (Fourth edition.). United States of America: Pearson.

Chicago Style Citation

Schoenberg, Irene E. Focus On Grammar 2. Fourth edition. United States of America: Pearson, 2012.

MLA Citation

Schoenberg, Irene E. Focus On Grammar 2. Fourth edition. United States of America: Pearson, 2012.

Warning: These citations may not always be 100% accurate.