Vallins , G. H. (1956). The pattern of english. Andre Deutsch.
Cita Chicago (17th ed.)Vallins , G. H. The Pattern of English. London: Andre Deutsch, 1956.
Cita MLA (9th ed.)Vallins , G. H. The Pattern of English. Andre Deutsch, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.