Cita APA (7a ed.)

Jakeman, V., & McDowell, C. (2002). IELTS practice tests: Plus : [with key]. Longman.

Cita Chicago Style (17a ed.)

Jakeman, Vanessa, y Clare McDowell. IELTS Practice Tests: Plus : [with Key]. Harlow: Longman, 2002.

Cita MLA (9a ed.)

Jakeman, Vanessa, y Clare McDowell. IELTS Practice Tests: Plus : [with Key]. Longman, 2002.