National Science Teachers Association, ebrary, Inc, & Katz, P. (2001). Community connections for science education. National Science Teachers Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Science Teachers Association, Inc ebrary, و Phyllis Katz. Community Connections for Science Education. Arlington, VA: National Science Teachers Association, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Science Teachers Association, et al. Community Connections for Science Education. National Science Teachers Association, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.