एपीए उद्धरण

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.

शिकागो स्टाइल उद्धरण

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.

एमएलए उद्धरण

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.