APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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