APA (7th ed.) Zitazioa

Jakeman, V., & McDowell, C. (2001). IELTS practice tests plus 1. Longman.

Chicago Style (17th ed.) Zitazioa

Jakeman, Vanessa, eta Clare McDowell. IELTS Practice Tests Plus 1. Harlow, England: Longman, 2001.

MLA (9th ed.) Zitazioa

Jakeman, Vanessa, eta Clare McDowell. IELTS Practice Tests Plus 1. Longman, 2001.