APA (7th ed.) Zitazioa

Kovacs, K. E. (2019). Speaking for IELTS (Second edition.). Collins.

Chicago Style (17th ed.) Zitazioa

Kovacs, Karen E. Speaking for IELTS. Second edition. London: Collins, 2019.

MLA (9th ed.) Zitazioa

Kovacs, Karen E. Speaking for IELTS. Second edition. Collins, 2019.