Gardiner, A. H. (1951). The theory of speech and language (2a. ed.). Oxford University Press.
Cita Chicago (17th ed.)Gardiner, Alan H. The Theory of Speech and Language. 2a. ed. Nueva York: Oxford University Press, 1951.
Cita MLA (9th ed.)Gardiner, Alan H. The Theory of Speech and Language. 2a. ed. Oxford University Press, 1951.
Atenció: Aquestes cites poden no estar 100% correctes.