Trích dẫn APA

Sreebha S. (2008). Environmental impact of sand mining: A case study in the river catchments of Vembanad lake, Southwest India. Centre for Earth Science Studies.

Trích dẫn kiểu Chicago

Sreebha S. Environmental Impact of Sand Mining: A Case Study in the River Catchments of Vembanad Lake, Southwest India. Thiruvananthapuram: Centre for Earth Science Studies, 2008.

Trích dẫn MLA

Sreebha S. Environmental Impact of Sand Mining: A Case Study in the River Catchments of Vembanad Lake, Southwest India. Centre for Earth Science Studies, 2008.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.