Norris, P., & Lovenduski, J. The Iceberg and the titanic: Electoral defeat, policy moods and party change. Harvard University. Birkbeck Univesity of London.

Norris, Pippa, and Joni Lovenduski. The Iceberg and the Titanic: Electoral Defeat, Policy Moods and Party Change. s.l: Harvard University. Birkbeck Univesity of London.

Norris, Pippa, and Joni Lovenduski. The Iceberg and the Titanic: Electoral Defeat, Policy Moods and Party Change. Harvard University. Birkbeck Univesity of London.