APA (7e ed.) Bronvermelding

Trived, A. (2009). Environmental monitoring and management. Alfa Publications.

Chicago (17e ed.) Bronvermelding

Trived, Abha. Environmental Monitoring and Management. New Delhi: Alfa Publications, 2009.

MLA (9e ed.) Bronvermelding

Trived, Abha. Environmental Monitoring and Management. Alfa Publications, 2009.