Duffy, J. (1968). A history of public health in New York City, 1625-1866. Russell Sage Foundation.
Chicagoスタイル(17版)引用形式Duffy, John. A History of Public Health in New York City, 1625-1866. New York: Russell Sage Foundation, 1968.
MLA(9版)引用形式Duffy, John. A History of Public Health in New York City, 1625-1866. Russell Sage Foundation, 1968.
警告: この引用は必ずしも正確ではありません.