APA-referens (7:e uppl.)
Zengerling, C. (2013). Greening international jurisprudence: Environmental NGOs before international courts, tribunals, and compliance committees. Martinus Nijhoff Publishers.
Chicago-referens (17:e uppl.)
Zengerling, Cathrin. Greening International Jurisprudence: Environmental NGOs Before International Courts, Tribunals, and Compliance Committees. Leiden: Martinus Nijhoff Publishers, 2013.
MLA-referens (9:e uppl.)
Zengerling, Cathrin. Greening International Jurisprudence: Environmental NGOs Before International Courts, Tribunals, and Compliance Committees. Martinus Nijhoff Publishers, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.