Não informado. Puerto Rico Journal of Public Health and Tropical Medicine. Department of Health of Puerto Rico.
Chicagoスタイル(17版)引用形式Não informado. Puerto Rico Journal of Public Health and Tropical Medicine. San Juan: Department of Health of Puerto Rico.
MLA(8版)引用形式Não informado. Puerto Rico Journal of Public Health and Tropical Medicine. Department of Health of Puerto Rico.
警告: この引用は必ずしも正確ではありません.