Gaya APA
Empson, W.
(1949).
Seven types of ambiguity. Cet.I 1930
.
London:
London Chatto & Windus.
Gaya MLA
Empson, William.
"Seven types of ambiguity. Cet.I 1930 ".
London:
London Chatto & Windus,
1949.
Buku.