Cita APA (7th ed.)
Ladousse, G. P. (1983). Speaking personality. Cambridge University Press.
Cita Chicago (17th ed.)
Ladousse, Gillian Porter. Speaking Personality. London: Cambridge University Press, 1983.
Cita MLA (9th ed.)
Ladousse, Gillian Porter. Speaking Personality. Cambridge University Press, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.