Farnborough College of Technology & Hughes-Evans, D. (1977). Environmental education: Key issues of the future : proceedings of the conference held at the College of Technology, Farnborough, England (First edition.). Pergamon Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Farnborough College of Technology و David Hughes-Evans. Environmental Education: Key Issues of the Future : Proceedings of the Conference Held at the College of Technology, Farnborough, England. First edition. Oxford ; New York: Pergamon Press, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Farnborough College of Technology و David Hughes-Evans. Environmental Education: Key Issues of the Future : Proceedings of the Conference Held at the College of Technology, Farnborough, England. First edition. Pergamon Press, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.