Cita APA

Fuchs, M., & Bonner, M. (2000). Focus on grammar: A high-intermediate course for reference and practice (2a. ed.). Nueva York: Longman.

Citación estilo Chicago

Fuchs, Marjorie, y Margaret Bonner. Focus On Grammar: A High-intermediate Course for Reference and Practice. 2a. ed. Nueva York: Longman, 2000.

Cita MLA

Fuchs, Marjorie, y Margaret Bonner. Focus On Grammar: A High-intermediate Course for Reference and Practice. 2a. ed. Nueva York: Longman, 2000.