Pernia, E. d. M. (1980). A note on migration and fertility. School of Economics, University of the Philippines.
Chicagoスタイル(17版)引用形式Pernia, Ernesto del Mar. A Note on Migration and Fertility. [Quezon City]: School of Economics, University of the Philippines, 1980.
MLA(9版)引用形式Pernia, Ernesto del Mar. A Note on Migration and Fertility. School of Economics, University of the Philippines, 1980.
警告: この引用は必ずしも正確ではありません.