Employment Relations Ltd. (1984). Audio visual materials for industrial relations training (3rd ed.). Employment Relations Ltd. Resource Centre.
Cita Chicago (17th ed.)Employment Relations Ltd. Audio Visual Materials for Industrial Relations Training. 3rd ed. Cambridge: Employment Relations Ltd. Resource Centre, 1984.
Cita MLA (8th ed.)Employment Relations Ltd. Audio Visual Materials for Industrial Relations Training. 3rd ed. Employment Relations Ltd. Resource Centre, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.