Learness Press Private Limited. (2000). Protecting our rivers and lakes. Learness Press Pvt. Ltd.
芝加哥风格引文Learness Press Private Limited. Protecting Our Rivers and Lakes. New Delhi: Learness Press Pvt. Ltd, 2000.
MLA引文Learness Press Private Limited. Protecting Our Rivers and Lakes. Learness Press Pvt. Ltd, 2000.
警告：这些引文格式不一定是100％准确.