Burton, S. H., & Humphries, J. A. (1984). Mastering English language. Palgrave.
Cita Chicago (17th ed.)Burton, S. H., i J. A. Humphries. Mastering English Language. New York: Palgrave, 1984.
Cita MLA (9th ed.)Burton, S. H., i J. A. Humphries. Mastering English Language. Palgrave, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.