APA

Jung F., Billing A., . (1977). Impact design of crash cushions for non-stationary barriers. Downsview, Ontario: Ontario Ministry of Transportation and Communications. RR nr 205.

Chicago

Jung FW, Billing AM, . 1977. Impact design of crash cushions for non-stationary barriers. Downsview, Ontario: Ontario Ministry of Transportation and Communications. RR nr 205.

Harvard

Jung F., Billing A., . (1977). Impact design of crash cushions for non-stationary barriers. Downsview, Ontario: Ontario Ministry of Transportation and Communications. RR nr 205.

MLA

Jung FW, Billing AM, . Impact design of crash cushions for non-stationary barriers. Downsview, Ontario: Ontario Ministry of Transportation and Communications. RR nr 205. 1977.