APA-ийн эшлэл(7 дахь хэвлэлт)

Cooley, A., & Spruyt, H. (2009). Contracting states: Sovereign transfers in international relations. Princeton University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Cooley, Alexander, ба Hendrik Spruyt. Contracting States: Sovereign Transfers in International Relations. Princeton: Princeton University Press, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Cooley, Alexander, ба Hendrik Spruyt. Contracting States: Sovereign Transfers in International Relations. Princeton University Press, 2009.