Rana, S. V. S. (2007). Essentials of ecology and environmental science (3rd ed.). Prentice Hall of India.
استشهاد بنمط شيكاغوRana, S. V. S. Essentials of Ecology and Environmental Science. 3rd ed. New Delhi: Prentice Hall of India, 2007.
MLA استشهادRana, S. V. S. Essentials of Ecology and Environmental Science. 3rd ed. Prentice Hall of India, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.