Geron, M. P. S. (1995). Integrating the population dimension in environmental planning: User's manual. Integrated Population and Development Planning Project, National Economic and Development Authority.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Geron, Ma. Piedad S. Integrating the Population Dimension in Environmental Planning: User's Manual. [Manila]: Integrated Population and Development Planning Project, National Economic and Development Authority, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Geron, Ma. Piedad S. Integrating the Population Dimension in Environmental Planning: User's Manual. Integrated Population and Development Planning Project, National Economic and Development Authority, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.