Cohen, D., & Carol Black, D. (2013). Primary health care: What role for occupational health? Royal College of General Practitioners.
استشهاد بنمط شيكاغوCohen, Debbie, و Dame Carol Black. Primary Health Care: What Role for Occupational Health? Royal College of General Practitioners, 2013.
MLA استشهادCohen, Debbie, و Dame Carol Black. Primary Health Care: What Role for Occupational Health? Royal College of General Practitioners, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.