APA aipamena

Blacker, C. P. (1939). Maternity and child welfare work and the population problem.

Chicago Style aipamena

Blacker, C. P. Maternity and Child Welfare Work and the Population Problem. 1939.

MLA aipamena

Blacker, C. P. Maternity and Child Welfare Work and the Population Problem. 1939.

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