Não informado. Pakistan Journal of Health. Institute of Hygiene and Preventive Medicine.
Chicagoスタイル(17版)引用形式Não informado. Pakistan Journal of Health. Lahore, Paquistao: Institute of Hygiene and Preventive Medicine.
MLA(8版)引用形式Não informado. Pakistan Journal of Health. Institute of Hygiene and Preventive Medicine.
警告: この引用は必ずしも正確ではありません.