South Africa. Dept. of National Health and Population Development. (1991). Primary health care and social work. Dept. of National Health and Population Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)South Africa. Dept. of National Health and Population Development. Primary Health Care and Social Work. Pretoria: Dept. of National Health and Population Development, 1991.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)South Africa. Dept. of National Health and Population Development. Primary Health Care and Social Work. Dept. of National Health and Population Development, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.