Cita APA (7th ed.)

Jakeman V. Vanessa & McDowell C. Clare. (2003). IELTS Practice Tests Plus with key (5th ed.). Harlow, Longman, 2003.

Cita Chicago (17th ed.)

Jakeman V. Vanessa i McDowell C. Clare. IELTS Practice Tests Plus with Key. 5th ed. Harlow, Longman, 2003, 2003.

Cita MLA (9th ed.)

Jakeman V. Vanessa i McDowell C. Clare. IELTS Practice Tests Plus with Key. 5th ed. Harlow, Longman, 2003, 2003.