Hussain, M. (2014). Environment and Ecology Civil Services Examination. Access Publishing House.
استشهاد بنمط شيكاغوHussain, Majid. Environment and Ecology Civil Services Examination. Access Publishing House, 2014.
MLA استشهادHussain, Majid. Environment and Ecology Civil Services Examination. Access Publishing House, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.