Cita APA (7a ed.)
Cleator, P. E. (1962). Lost languages. New American Library.
Cita Chicago Style (17a ed.)
Cleator, Philip Ellaby. Lost Languages. New York, USA: New American Library, 1962.
Cita MLA (9a ed.)
Cleator, Philip Ellaby. Lost Languages. New American Library, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.