APA-Zitierstil (7. Ausg.)

Willim, H. (1987). Trade unions and occupational safety in the German Democratic Republic. International Labour Organization.

Chicago-Zitierstil (17. Ausg.)

Willim, Horst. Trade Unions and Occupational Safety in the German Democratic Republic. International Labour Organization, 1987.

MLA-Zitierstil (9. Ausg.)

Willim, Horst. Trade Unions and Occupational Safety in the German Democratic Republic. International Labour Organization, 1987.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.