Usherwood, S. The UK Independence Party: The dimensions of mainstreaming. Radical right-wing populist parties in Western Europe : into the mainstream?.

Usherwood, Simon. "The UK Independence Party: The Dimensions of Mainstreaming." Radical Right-wing Populist Parties in Western Europe : Into the Mainstream? .

Usherwood, Simon. "The UK Independence Party: The Dimensions of Mainstreaming." Radical Right-wing Populist Parties in Western Europe : Into the Mainstream?, .