Citazione Stile APA (7a Edizione)
Barton, D., Burkart, J., & Sever, C. (2010). <The> business english teacher: Professional principles and practical procedures. Delta Publishing.
Citazione stile Chigago Style (17a edizione)
Barton, Debbie, Jennifer Burkart, e Caireen Sever. <The> Business English Teacher: Professional Principles and Practical Procedures. Peaslake: Delta Publishing, 2010.
Citatione MLA (9a ed.)
Barton, Debbie, et al. <The> Business English Teacher: Professional Principles and Practical Procedures. Delta Publishing, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.