EMPSON, W. (1973). Seven types of ambiguity. Chatto and Windus.
Cita Chicago Style (17a ed.)EMPSON, William. Seven Types of Ambiguity. London: Chatto and Windus, 1973.
Cita MLA (9a ed.)EMPSON, William. Seven Types of Ambiguity. Chatto and Windus, 1973.
Precaución: Estas citas no son 100% exactas.