Ladousse, G. P. (1983). Speaking personality. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Ladousse, Gillian Porter. Speaking Personality. London: Cambridge University Press, 1983.
Lua MLA (9ú heag.)Ladousse, Gillian Porter. Speaking Personality. Cambridge University Press, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.