Não informado. (2008). Report of the Commissioner of Health of Porto Rico. Bureau of Insular Affairs.
Chicagoスタイル(17版)引用形式Não informado. Report of the Commissioner of Health of Porto Rico. Washington: Bureau of Insular Affairs, 2008.
MLA(8版)引用形式Não informado. Report of the Commissioner of Health of Porto Rico. Bureau of Insular Affairs, 2008.
警告: この引用は必ずしも正確ではありません.