National League for Nursing. Dept. of Hospital Nursing. (1961). Bibliography on staffing the hospital nursing service. s.n.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National League for Nursing. Dept. of Hospital Nursing. Bibliography on Staffing the Hospital Nursing Service. New York: s.n, 1961.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National League for Nursing. Dept. of Hospital Nursing. Bibliography on Staffing the Hospital Nursing Service. s.n, 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.