Bryson, B. (1990). The mother tongue. Penguin Books.
Cita Chicago (17th ed.)Bryson, Bill. The Mother Tongue. New York: Penguin Books, 1990.
Cita MLA (9th ed.)Bryson, Bill. The Mother Tongue. Penguin Books, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.