Dyfyniad APA

Panigrahi, A. (2009). Water pollution: A problem in aquatic life. ALP Books.

Dyfyniad Arddull Chicago

Panigrahi, A. Water Pollution: A Problem in Aquatic Life. New Delhi: ALP Books, 2009.

Dyfyniad MLA

Panigrahi, A. Water Pollution: A Problem in Aquatic Life. ALP Books, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.