Cita APA (7th ed.)

Friedrich, D., & Heckmann, W. (1995). Aids in Europe - the behavioural aspect: Dorothee Friedrich ; Wolfgang Heckmann (eds.). [Conference organized by Robert-Koch-Institut, AIDS-Zentrum]. Sigma.

Cita Chicago (17th ed.)

Friedrich, Dorothee, i Wolfgang Heckmann. Aids in Europe - the Behavioural Aspect: Dorothee Friedrich ; Wolfgang Heckmann (eds.). [Conference Organized by Robert-Koch-Institut, AIDS-Zentrum]. Berlin: Sigma, 1995.

Cita MLA (8th ed.)

Friedrich, Dorothee, i Wolfgang Heckmann. Aids in Europe - the Behavioural Aspect: Dorothee Friedrich ; Wolfgang Heckmann (eds.). [Conference Organized by Robert-Koch-Institut, AIDS-Zentrum]. Sigma, 1995.