OMS. (1993). WHO technical report series; N.835: Aging and working capacity. Geneva: OMS.
استشهاد بنمط شيكاغوOMS. WHO Technical Report Series; N.835: Aging and Working Capacity. Geneva: OMS, 1993.
MLA استشهادOMS. WHO Technical Report Series; N.835: Aging and Working Capacity. Geneva: OMS, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.