BROWN, R. (1955). Light. Longmans.
Cita Chicago (17th ed.)BROWN, R.C. Light. London: Longmans, 1955.
Cita MLA (9th ed.)BROWN, R.C. Light. Longmans, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)