Citazione APA

Harrison, L., & Hutchison, S. (2018). Bridge to IELTS: Pre-intermediate-Intermediate Band 3.5 to 4.5 (Student's Book). United Kingdom: National Geographic Learning.

Stile di citazione Chicago

Harrison, Louis, e Susan Hutchison. Bridge to IELTS: Pre-intermediate-Intermediate Band 3.5 to 4.5 (Student's Book). United Kingdom: National Geographic Learning, 2018.

Citazione MLA

Harrison, Louis, e Susan Hutchison. Bridge to IELTS: Pre-intermediate-Intermediate Band 3.5 to 4.5 (Student's Book). United Kingdom: National Geographic Learning, 2018.

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