Britton, J. (1972). Language and learning. Penguin Books.
Cita Chicago (17th ed.)Britton, James. Language and Learning. Londres: Penguin Books, 1972.
Cita MLA (9th ed.)Britton, James. Language and Learning. Penguin Books, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.