APA (7. basım) Alıntı

Allen, E. F. How to write and speak effective english. A modern guide to good form.

Chicago Style (17. basım) Atıf

Allen, Edward Frank. How to Write and Speak Effective English. A Modern Guide to Good Form.

MLA (8th ed.) Atıf

Allen, Edward Frank. How to Write and Speak Effective English. A Modern Guide to Good Form.