Citazione APA

Schoenberg, I. E. (2000). Focus on grammar student book. A basic course for reference and practice (2.). Addison Wesley Longman.

Stile di citazione Chicago

Schoenberg, Irene E. Focus on Grammar Student Book. A Basic Course for Reference and Practice. 2. Addison Wesley Longman, 2000.

Citazione MLA

Schoenberg, Irene E. Focus on Grammar Student Book. A Basic Course for Reference and Practice. 2. Addison Wesley Longman, 2000.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.