World Health Organization. (1980). The primary health worker: Working guide, guidelines for training, guidelines for adaptation (Rev. ed.). World Health Organization ; available from WHO Publications Centre USA].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. The Primary Health Worker: Working Guide, Guidelines for Training, Guidelines for Adaptation. Rev. ed. Geneva : [Albany, N.Y.: World Health Organization ; available from WHO Publications Centre USA], 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization. The Primary Health Worker: Working Guide, Guidelines for Training, Guidelines for Adaptation. Rev. ed. World Health Organization ; available from WHO Publications Centre USA], 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.