Citazione APA

Dellar, H., & Walkley, A. (2019). Outcomes: Advanced - Student's Book. United Kingdom: National Geographic Learning.

Stile di citazione Chicago

Dellar, Hugh, e Andrew Walkley. Outcomes: Advanced - Student's Book. United Kingdom: National Geographic Learning, 2019.

Citazione MLA

Dellar, Hugh, e Andrew Walkley. Outcomes: Advanced - Student's Book. United Kingdom: National Geographic Learning, 2019.

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