Digumarti, B. R., & Ghanta, R. (1998). Environmental education: Problems and prospects.
استشهاد بنمط شيكاغوDigumarti, Bhaskara Rao, و Ramesh Ghanta. Environmental Education: Problems and Prospects. New Delhi, Discovery Pubishing House, 1998.
MLA استشهادDigumarti, Bhaskara Rao, و Ramesh Ghanta. Environmental Education: Problems and Prospects. 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.