APA-Zitierstil (7. Ausg.)

Não informado. Quarterly Bulletin of Coal Statistics for Europe. United Nations, Economic Commission for Europe, Coal Division.

Chicago-Zitierstil (17. Ausg.)

Não informado. Quarterly Bulletin of Coal Statistics for Europe. Geneva, Suíça: United Nations, Economic Commission for Europe, Coal Division.

MLA-Zitierstil (8. Ausg.)

Não informado. Quarterly Bulletin of Coal Statistics for Europe. United Nations, Economic Commission for Europe, Coal Division.

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