Cites del registre

Cita APA (7th ed.)
(1993). How to write and speak better (ed.). The reader's digest association.
Cita Chicago (17th ed.)
How to Write and Speak Better. ed. Cape town: The reader's digest association, 1993.
Cita MLA (9th ed.)
How to Write and Speak Better. ed. The reader's digest association, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.