Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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