Παραπομπή σε μορφή APA (7η εκδ.)

Otto, R. (2012). Targeted Killings and International Law: With Special Regard to Human Rights and International Humanitarian Law. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Otto, Roland. Targeted Killings and International Law: With Special Regard to Human Rights and International Humanitarian Law. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

Otto, Roland. Targeted Killings and International Law: With Special Regard to Human Rights and International Humanitarian Law. Springer Berlin Heidelberg, 2012.