Fuchs, m., Bonner, M., & Westheimer, M. (2005). Focus on grammar 3: An integrated skills approach (Third edition.). Pearson education.
Цитирование в стиле Чикаго (17-е изд.)Fuchs, marjorie, Margaret Bonner, и Mariam Westheimer. Focus on Grammar 3: An Integrated Skills Approach. Third edition. New York: Pearson education, 2005.
Цитирование MLA (9-е изд.)Fuchs, marjorie, et al. Focus on Grammar 3: An Integrated Skills Approach. Third edition. Pearson education, 2005.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.