Ayers, R. (1972). Nursing service in transition: A description of organization for classification and utilization of nurse practitioners. City of Hope Medical Center.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ayers, Rachel. Nursing Service in Transition: A Description of Organization for Classification and Utilization of Nurse Practitioners. Duarte, CA: City of Hope Medical Center, 1972.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ayers, Rachel. Nursing Service in Transition: A Description of Organization for Classification and Utilization of Nurse Practitioners. City of Hope Medical Center, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.