APA-referens

David Riley. (1999). Business listening and speaking (Pre-intermediate). Essex, UK: Longman.

Chicago-stil citat

David Riley. Business Listening and Speaking (Pre-intermediate). Essex, UK: Longman, 1999.

MLA-referens

David Riley. Business Listening and Speaking (Pre-intermediate). Essex, UK: Longman, 1999.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.