APA Style
BRITAIN 1999 THE OFFICIAL YEARBOOK OF THE UNITED KINGDOM: 50 th anniversary edition. (1998).
London:
THE OFFICE FOR NATIONAL STATISTICS.
MLA Style
BRITAIN 1999 THE OFFICIAL YEARBOOK OF THE UNITED KINGDOM: 50 th anniversary edition.
.
London:
THE OFFICE FOR NATIONAL STATISTICS,
1998.
.