Cita APA (7th ed.)

Bryson, B., & Bryson, B. (1991). Mother tongue: The English language. Penguin Books.

Cita Chicago (17th ed.)

Bryson, Bill, i Bill Bryson. Mother Tongue: The English Language. London [u.a.]: Penguin Books, 1991.

Cita MLA (9th ed.)

Bryson, Bill, i Bill Bryson. Mother Tongue: The English Language. Penguin Books, 1991.