Coon, H. L., Bowman, M. L., & ERIC Center for Science, M. a. E. E. (1976). Environmental education in the urban setting: Rationale and teaching activities. ERIC Center for Science.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Coon, Herbert L., Mary Lynne Bowman, و Mathematics and Enviromental Education ERIC Center for Science. Environmental Education in the Urban Setting: Rationale and Teaching Activities. Columbus, OH: ERIC Center for Science, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Coon, Herbert L., et al. Environmental Education in the Urban Setting: Rationale and Teaching Activities. ERIC Center for Science, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.