APA-referens

Boyd, E. (2009). Premium: C1 level (Coursebook). Harlow (England): Pearson education limited.

Chicago-stil citat

Boyd, Elaine. Premium: C1 Level (Coursebook). Harlow (England): Pearson education limited, 2009.

MLA-referens

Boyd, Elaine. Premium: C1 Level (Coursebook). Harlow (England): Pearson education limited, 2009.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.