Agarwal, S. K. (2005). Environmental monitoring. APH Pub.
Chicago Style aipamenaAgarwal, S. K. Environmental Monitoring. New Delhi: APH Pub, 2005.
MLA aipamenaAgarwal, S. K. Environmental Monitoring. APH Pub, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.