Parayno, P. P. (1997). Rural poverty and environmental degradation in the Philippines: A system dynamics approach. UMI Dissertation Services.
芝加哥风格引文Parayno, Phares Penuliar. Rural Poverty and Environmental Degradation in the Philippines: A System Dynamics Approach. Ann Arbor, Mich: UMI Dissertation Services, 1997.
MLA引文Parayno, Phares Penuliar. Rural Poverty and Environmental Degradation in the Philippines: A System Dynamics Approach. UMI Dissertation Services, 1997.
警告：这些引文格式不一定是100％准确.