Citazione Stile APA (7a Edizione)

Fuchs, M., Bonner, M., & Westheimer, M. (2000). Focus on grammar: An intermediate course for reference and practice (2a. ed.). Pearson Education.

Citazione stile Chigago Style (17a edizione)

Fuchs, Marjorie, Margaret Bonner, e Miriam Westheimer. Focus on Grammar: An Intermediate Course for Reference and Practice. 2a. ed. Nueva York: Pearson Education, 2000.

Citatione MLA (9a ed.)

Fuchs, Marjorie, et al. Focus on Grammar: An Intermediate Course for Reference and Practice. 2a. ed. Pearson Education, 2000.