Friedrich, D. (1995). Aids in Europe - the behavioural aspect. Sigma.
Chicagoスタイル(17版)引用形式Friedrich, Dorothee. Aids in Europe - the Behavioural Aspect. Berlin: Sigma, 1995.
MLA(8版)引用形式Friedrich, Dorothee. Aids in Europe - the Behavioural Aspect. Sigma, 1995.
警告: この引用は必ずしも正確ではありません.