Villamejor, M. F. S. Stratal variations in Philippine fertility differentials, 1973-1977.
Chicagoスタイル(17版)引用形式Villamejor, Maria Fe S. Stratal Variations in Philippine Fertility Differentials, 1973-1977.
MLA(9版)引用形式Villamejor, Maria Fe S. Stratal Variations in Philippine Fertility Differentials, 1973-1977.
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