European congress on mental health and deafness : proceedings
  MLA
  Von der Lieth, Lars. European Congress On Mental Health and Deafness : Proceedings. Utrecht: Bijl Consultancy, 1989.
  APA
  Von der Lieth, L. (1989). European congress on mental health and deafness : proceedings. Utrecht: Bijl Consultancy.
  Chicago
  Von der Lieth, Lars ed. European Congress On Mental Health and Deafness : Proceedings. Utrecht: Bijl Consultancy, 1989.