Παραπομπή 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.

Παραπομπή Chicago Style

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.

Παραπομπή 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.