Guthrie, L. F. (1996). How to coordinate services for students and families. Association for Supervision and Curriculum Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Guthrie, Larry F. How to Coordinate Services for Students and Families. Alexandria, Va.: Association for Supervision and Curriculum Development, 1996.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Guthrie, Larry F. How to Coordinate Services for Students and Families. Association for Supervision and Curriculum Development, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.