APA Citation

Schoenberg, I. E., & Schoenberg,Irene. Focus on grammar: An integrated skills approach / by Irene Schoenberg (3rd ed.). New York : Pearson Longman, c2006.

Chicago Style Citation

Schoenberg, Irene E., and Schoenberg,Irene. Focus On Grammar: An Integrated Skills Approach / By Irene Schoenberg. 3rd ed. New York : Pearson Longman, c2006.

MLA Citation

Schoenberg, Irene E., and Schoenberg,Irene. Focus On Grammar: An Integrated Skills Approach / By Irene Schoenberg. 3rd ed. New York : Pearson Longman, c2006.

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