O'Nions, H. (2007). Minority rights protection in international law: The Roma of Europe. Ashgate.
استشهاد بنمط شيكاغوO'Nions, Helen. Minority Rights Protection in International Law: The Roma of Europe. Aldershot: Ashgate, 2007.
MLA استشهادO'Nions, Helen. Minority Rights Protection in International Law: The Roma of Europe. Ashgate, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.