Saveland, R. N. (1976). Handbook of environmental education with international case studies. John Wiley.
استشهاد بنمط شيكاغوSaveland, Robert N. Handbook of Environmental Education with International Case Studies. London: John Wiley, 1976.
MLA استشهادSaveland, Robert N. Handbook of Environmental Education with International Case Studies. John Wiley, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.