Allen, E. F. How to write and speak effective english. A modern guide to good form.
Chicago-referens (17:e uppl.)Allen, Edward Frank. How to Write and Speak Effective English. A Modern Guide to Good Form.
MLA-referens (8:e uppl.)Allen, Edward Frank. How to Write and Speak Effective English. A Modern Guide to Good Form.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.