Cita APA (7th ed.)
Burton, H. (1982). Mastering English language. Macmillan.
Cita Chicago (17th ed.)
Burton, H.S. Mastering English Language. London: Macmillan, 1982.
Cita MLA (9th ed.)
Burton, H.S. Mastering English Language. Macmillan, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.