APA

Sheppard D., . (1971). Use of fear-arousing appeals in road safety campaigns. : Design of safety campaigns. International conference, Rome 13-15 October, 1971.

Chicago

Sheppard D, . 1971. Use of fear-arousing appeals in road safety campaigns. : Design of safety campaigns. International conference, Rome 13-15 October, 1971.

Harvard

Sheppard D., . (1971). Use of fear-arousing appeals in road safety campaigns. : Design of safety campaigns. International conference, Rome 13-15 October, 1971.

MLA

Sheppard D, . Use of fear-arousing appeals in road safety campaigns. : Design of safety campaigns. International conference, Rome 13-15 October, 1971. 1971.