World Academy of Art and Science. South-East European Division & Risk Institute. Cadmus. Risk Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Academy of Art and Science. South-East European Division و Risk Institute. Cadmus. Trieste, Italy: Risk Institute.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Academy of Art and Science. South-East European Division و Risk Institute. Cadmus. Risk Institute.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.
