APA-ийн эшлэл(7 дахь хэвлэлт)

Harmsen, R., & Spiering, M. (2004). Euroscepticism: Party politics, national identity and European integration. Rodopi.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Harmsen, Robert, ба M. Spiering. Euroscepticism: Party Politics, National Identity and European Integration. Amsterdam ; New York, NY: Rodopi, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Harmsen, Robert, ба M. Spiering. Euroscepticism: Party Politics, National Identity and European Integration. Rodopi, 2004.