APA

Bongard E., Winterfeld U., . (1976). Children's traffic knowledge and their comprehension of the dangers involved (children aged 5-6). : Pedestrian Safety. International conf.

Chicago

Bongard EU, Winterfeld U, . 1976. Children's traffic knowledge and their comprehension of the dangers involved (children aged 5-6). : Pedestrian Safety. International conf.

Harvard

Bongard E., Winterfeld U., . (1976). Children's traffic knowledge and their comprehension of the dangers involved (children aged 5-6). : Pedestrian Safety. International conf.

MLA

Bongard EU, Winterfeld U, . Children's traffic knowledge and their comprehension of the dangers involved (children aged 5-6). : Pedestrian Safety. International conf. 1976.