APA (7. basım) Alıntı

Low, O. (1979). Certificate of proficiency English practice. Edward Arnold.

Chicago Style (17. basım) Atıf

Low, Ona. Certificate of Proficiency English Practice. Londres: Edward Arnold, 1979.

MLA (9th ed.) Atıf

Low, Ona. Certificate of Proficiency English Practice. Edward Arnold, 1979.