Παραπομπή APA

Puffer, R. R., & Serrano, C. V. (1973). Patterns of mortality in childhood. [United States]: Pan American Health OrganizationWorld Heatlh Organization.

Παραπομπή Chicago Style

Puffer, Ruth Rice, and Carlos V. Serrano. Patterns of Mortality in Childhood. [United States]: Pan American Health OrganizationWorld Heatlh Organization, 1973.

Παραπομπή MLA

Puffer, Ruth Rice, and Carlos V. Serrano. Patterns of Mortality in Childhood. [United States]: Pan American Health OrganizationWorld Heatlh Organization, 1973.

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