Rapport 4 Great Britain (ASSLEF) - Great Britain (NUR) - DBR - URSS : : Associated Society of Locomotive Engineers : Seminaire International Syndical des Cheminots, Belgique 4-5-6 Mai 1981.

MLA

Rapport 4 Great Britain (asslef) - Great Britain (nur) - Dbr - Urss : Associated Society of Locomotive Engineers : Seminaire International Syndical Des Cheminots, Belgique 4-5-6 Mai 1981. Bruxelles: ITU, 1981.

APA

(1981). Rapport 4 Great Britain (ASSLEF) - Great Britain (NUR) - DBR - URSS : Associated Society of Locomotive Engineers : Seminaire International Syndical des Cheminots, Belgique 4-5-6 Mai 1981. Bruxelles: ITU.

Chicago

Rapport 4 Great Britain (ASSLEF) - Great Britain (NUR) - DBR - URSS: Associated Society of Locomotive Engineers : Seminaire International Syndical Des Cheminots, Belgique 4-5-6 Mai 1981. Bruxelles: ITU, 1981.