Cita APA

Jane Singleton. (1999). Business listening and speaking (Intermediate). Essex, UK: Longman.

Chicago Style Citation

Jane Singleton. Business Listening and Speaking (Intermediate). Essex, UK: Longman, 1999.

Cita MLA

Jane Singleton. Business Listening and Speaking (Intermediate). Essex, UK: Longman, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.