APA-ийн эшлэл(7 дахь хэвлэлт)

Ellison, G., & Smyth, J. (2000). The crowned harp: Policing Northern Ireland. Pluto Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ellison, Graham, ба Jim Smyth. The Crowned Harp: Policing Northern Ireland. London ; Sterling, Va.: Pluto Press, 2000.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ellison, Graham, ба Jim Smyth. The Crowned Harp: Policing Northern Ireland. Pluto Press, 2000.