APA

Norrbom C., Ståhl A., . (1991). Mobility and transport for elderly and disabled persons. 5th international conference, Älvsjö, Sweden, 21-24 May 1989. Proceedings. Philadelphia, PA: Gordon and Breach Science Publishers.

Chicago

Norrbom Claes-Eric, Ståhl Agneta, . 1991. Mobility and transport for elderly and disabled persons. 5th international conference, Älvsjö, Sweden, 21-24 May 1989. Proceedings. Philadelphia, PA: Gordon and Breach Science Publishers.

Harvard

Norrbom C., Ståhl A., . (1991). Mobility and transport for elderly and disabled persons. 5th international conference, Älvsjö, Sweden, 21-24 May 1989. Proceedings. Philadelphia, PA: Gordon and Breach Science Publishers.

MLA

Norrbom Claes-Eric, Ståhl Agneta, . Mobility and transport for elderly and disabled persons. 5th international conference, Älvsjö, Sweden, 21-24 May 1989. Proceedings. Philadelphia, PA: Gordon and Breach Science Publishers. 1991.