EMPSON, W. (1973). Seven types of ambiguity. Chatto and Windus.
Chicago Style (17. basım) AtıfEMPSON, William. Seven Types of Ambiguity. London: Chatto and Windus, 1973.
MLA (9th ed.) AtıfEMPSON, William. Seven Types of Ambiguity. Chatto and Windus, 1973.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..