Contreras, A. P. Local institutions at crossroads of environmental regionalism in Southeast Asia: State-civil society interplays and tensions. Philippine political science association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Contreras, Antonio P. "Local Institutions at Crossroads of Environmental Regionalism in Southeast Asia: State-civil Society Interplays and Tensions." Philippine Political Science Association .
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Contreras, Antonio P. "Local Institutions at Crossroads of Environmental Regionalism in Southeast Asia: State-civil Society Interplays and Tensions." Philippine Political Science Association, .
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.