Young, S. L. (1997). The role of pictorials in environmental safety signs. In PROCEEDINGS OF THE HUMAN FACTORS AND ERGONOMICS SOCIETY 41ST ANNUAL MEETING, 1997, VOLS 1 AND 2 (pp. 797–800).

Young, S. L. “The role of pictorials in environmental safety signs.” In PROCEEDINGS OF THE HUMAN FACTORS AND ERGONOMICS SOCIETY 41ST ANNUAL MEETING, 1997, VOLS 1 AND 2, 797–800, 1997.

Young SL. The role of pictorials in environmental safety signs. In: PROCEEDINGS OF THE HUMAN FACTORS AND ERGONOMICS SOCIETY 41ST ANNUAL MEETING, 1997, VOLS 1 AND 2. 1997. p. 797–800.

Young, S. L. “The role of pictorials in environmental safety signs.” PROCEEDINGS OF THE HUMAN FACTORS AND ERGONOMICS SOCIETY 41ST ANNUAL MEETING, 1997, VOLS 1 AND 2, 1997, pp. 797–800.

Young SL. The role of pictorials in environmental safety signs. PROCEEDINGS OF THE HUMAN FACTORS AND ERGONOMICS SOCIETY 41ST ANNUAL MEETING, 1997, VOLS 1 AND 2. 1997. p. 797–800.