Citazione Stile APA (7a Edizione)

Fuchs, m., Bonner, M., & Westheimer, M. (2005). Focus on grammar 3: An integrated skills approach (Third edition.). Pearson education.

Citazione stile Chigago Style (17a edizione)

Fuchs, marjorie, Margaret Bonner, e Mariam Westheimer. Focus on Grammar 3: An Integrated Skills Approach. Third edition. New York: Pearson education, 2005.

Citatione MLA (9a ed.)

Fuchs, marjorie, et al. Focus on Grammar 3: An Integrated Skills Approach. Third edition. Pearson education, 2005.