Barker, D. B. (1976). Practical epidemiology (2nd.). Churchill livingstone.
Chicagoスタイル(17版)引用形式Barker, D.J.P. Bennett. Practical Epidemiology. 2nd. Singapore: Churchill livingstone, 1976.
MLA(8版)引用形式Barker, D.J.P. Bennett. Practical Epidemiology. 2nd. Churchill livingstone, 1976.
警告: この引用は必ずしも正確ではありません.