Não informado. (2004). Hygienic Laboratory bulletin. Hygienic Laboratory.
Chicagoスタイル(17版)引用形式Não informado. Hygienic Laboratory Bulletin. Washington: Hygienic Laboratory, 2004.
MLA(8版)引用形式Não informado. Hygienic Laboratory Bulletin. Hygienic Laboratory, 2004.
警告: この引用は必ずしも正確ではありません.