APA (7e ed.) Bronvermelding

Singal, S. (2012). Air quality monitoring and control strategy. Alpha Science International.

Chicago (17e ed.) Bronvermelding

Singal, S.P. Air Quality Monitoring and Control Strategy. Oxford, [England]: Alpha Science International, 2012.

MLA (9e ed.) Bronvermelding

Singal, S.P. Air Quality Monitoring and Control Strategy. Alpha Science International, 2012.