APA-viite (7. p.)

Diggelmann, O. The Periodization of the History of International Law: Oliver Diggelmann. The Oxford handbook of the history of international law.(2012).

Chicago-viite (17. p.)

Diggelmann, Oliver. "The Periodization of the History of International Law: Oliver Diggelmann." The Oxford Handbook of the History of International Law.(2012) .

MLA-viite (8. p.)

Diggelmann, Oliver. "The Periodization of the History of International Law: Oliver Diggelmann." The Oxford Handbook of the History of International Law.(2012), .