Yoong, C. M., & Helander, M. E. G. (2010). Occupational safety and health management system performance assessment.
استشهاد بنمط شيكاغوYoong, Chi Meng., و Martin Erik Gustav Helander. Occupational Safety and Health Management System Performance Assessment. 2010.
MLA استشهادYoong, Chi Meng., و Martin Erik Gustav Helander. Occupational Safety and Health Management System Performance Assessment. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.