APA-ийн эшлэл(7 дахь хэвлэлт)

Koops, E., & Zwalve, W. J. (2014). Law & equity: Approaches in Roman law and common law. Brill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Koops, E., ба Willem Jans Zwalve. Law & Equity: Approaches in Roman Law and Common Law. Leiden: Brill, 2014.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Koops, E., ба Willem Jans Zwalve. Law & Equity: Approaches in Roman Law and Common Law. Brill, 2014.