APA-ийн эшлэл(7 дахь хэвлэлт)

Eggers, A., & Spirling, A. (2017). Incumbency effects and the strength of party preferences: Evidence from multiparty elections in the United Kingdom. University of Chicago Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Eggers, A., ба A. Spirling. Incumbency Effects and the Strength of Party Preferences: Evidence from Multiparty Elections in the United Kingdom. University of Chicago Press, 2017.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Eggers, A., ба A. Spirling. Incumbency Effects and the Strength of Party Preferences: Evidence from Multiparty Elections in the United Kingdom. University of Chicago Press, 2017.