توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Economic Community of West African States & ECOWAS. Treaty of the Economic Community of West African States /Economic Community of West African States. s.e.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Economic Community of West African States و ECOWAS. Treaty of the Economic Community of West African States /Economic Community of West African States. s.l.: s.e.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Economic Community of West African States و ECOWAS. Treaty of the Economic Community of West African States /Economic Community of West African States. s.e.