APA (7th ed.) Zitazioa
Drr, O., & Schmalenbach, K. (2012). Vienna Convention on the Law of Treaties: A Commentary. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-19291-3
Chicago Style (17th ed.) Zitazioa
Drr, Oliver, eta Kirsten Schmalenbach. Vienna Convention on the Law of Treaties: A Commentary. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. https://doi.org/10.1007/978-3-642-19291-3.
MLA (9th ed.) Zitazioa
Drr, Oliver, eta Kirsten Schmalenbach. Vienna Convention on the Law of Treaties: A Commentary. Springer Berlin Heidelberg, 2012. https://doi.org/10.1007/978-3-642-19291-3.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.