APA استشهاد

Sibal, J. The applications of industrial, community and public relations to occupational medicine and health.

استشهاد بنمط شيكاغو

Sibal, Jorge. The Applications of Industrial, Community and Public Relations to Occupational Medicine and Health.

MLA استشهاد

Sibal, Jorge. The Applications of Industrial, Community and Public Relations to Occupational Medicine and Health.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.