Citazione Stile APA (7a Edizione)

Jakeman, V., & McDowell, C. (2001). IELTS: Practice test. Plus (1a. ed.). Pearson Education Limited.

Citazione stile Chigago Style (17a edizione)

Jakeman, Vanessa, e Clare McDowell. IELTS: Practice Test. Plus. 1a. ed. Essex: Pearson Education Limited, 2001.

Citatione MLA (9a ed.)

Jakeman, Vanessa, e Clare McDowell. IELTS: Practice Test. Plus. 1a. ed. Pearson Education Limited, 2001.