National Organization for Human Service Education (U.S.). (1987). Human service education: A journal of the National Organization for Human Service Education. National Organization for Human Service Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Organization for Human Service Education (U.S.). Human Service Education: A Journal of the National Organization for Human Service Education. Kingston, RI: National Organization for Human Service Education, 1987.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Organization for Human Service Education (U.S.). Human Service Education: A Journal of the National Organization for Human Service Education. National Organization for Human Service Education, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.