APA-referens (7:e uppl.)
Molen, H. H. v. d. (1983). Pedestrian Ethology: Unobtrusive observations of child and adult road-crossing behaviour in the framework of the development of a child pedestrian training programme.
Chicago-referens (17:e uppl.)
Molen, Hugo Henk van der. Pedestrian Ethology: Unobtrusive Observations of Child and Adult Road-crossing Behaviour in the Framework of the Development of a Child Pedestrian Training Programme. Groningen, 1983.
MLA-referens (9:e uppl.)
Molen, Hugo Henk van der. Pedestrian Ethology: Unobtrusive Observations of Child and Adult Road-crossing Behaviour in the Framework of the Development of a Child Pedestrian Training Programme. 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.