Παραπομπή APA

Harrison, L., & Cushen,Caroline Hutchison,Susan. (2008). Acheive IELTS2: English for international education:student's book. Viva Books.

Παραπομπή Chicago Style

Harrison, Louis, και Cushen,Caroline Hutchison,Susan. Acheive IELTS2: English for International Education:student's Book. New Delhi: Viva Books, 2008.

Παραπομπή MLA

Harrison, Louis, και Cushen,Caroline Hutchison,Susan. Acheive IELTS2: English for International Education:student's Book. Viva Books, 2008.