Não informado. (1979). Community medicine. Faculty of Community Medicine.
Chicagoスタイル(17版)引用形式Não informado. Community Medicine. Bristol, Inglaterra: Faculty of Community Medicine, 1979.
MLA(8版)引用形式Não informado. Community Medicine. Faculty of Community Medicine, 1979.
警告: この引用は必ずしも正確ではありません.