Pernia, E. M. (1980). A note on migration and fertility. School of Economics, University of the Philippines.
芝加哥风格引文Pernia, Ernesto M. A Note on Migration and Fertility. [Quezon City]: School of Economics, University of the Philippines, 1980.
MLA引文Pernia, Ernesto M. A Note on Migration and Fertility. School of Economics, University of the Philippines, 1980.
警告：这些引文格式不一定是100％准确.