Gaya APA
Butler, D, 1. (1988).
The British general election of 1987 / David Butler, Dennis Kavanagh .
Houndmills:
Macmillan.
Gaya MLA
Butler, David,, 1924.
"The British general election of 1987 / David Butler, Dennis Kavanagh".
Houndmills:
Macmillan,
1988.
Textbook.