APA-referens (7:e uppl.)

Rooduijn, M. Closing the gap?: A comparison of voters for radical right-wing populist parties and mainstream parties over time. Radical right-wing populist parties in Western Europe : into the mainstream?.

Chicago-referens (17:e uppl.)

Rooduijn, Matthijs. "Closing the Gap?: A Comparison of Voters for Radical Right-wing Populist Parties and Mainstream Parties over Time." Radical Right-wing Populist Parties in Western Europe : Into the Mainstream? .

MLA-referens (8:e uppl.)

Rooduijn, Matthijs. "Closing the Gap?: A Comparison of Voters for Radical Right-wing Populist Parties and Mainstream Parties over Time." Radical Right-wing Populist Parties in Western Europe : Into the Mainstream?, .