Cita APA (7a ed.)
Klima, E. S., & Bellugi, U. (1979). The signs of language. Harvard University Press.
Cita Chicago Style (17a ed.)
Klima, Edward S., y Ursula Bellugi. The Signs of Language. Londres, Inglaterra: Harvard University Press, 1979.
Cita MLA (9a ed.)
Klima, Edward S., y Ursula Bellugi. The Signs of Language. Harvard University Press, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.