APA aipamena

George John. (2005). IELTS & TOEFL made easy. B-Ghud.

Chicago Style aipamena

George John. IELTS & TOEFL Made Easy. Mavelikkara: B-Ghud, 2005.

MLA aipamena

George John. IELTS & TOEFL Made Easy. B-Ghud, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.