Tohutoro APA (7th ed.)
Global Environmental Monitoring System. (1991). Urban air pollution. United nations environment health.
Tohutoru Kātū Chicago (17th ed.)
Global Environmental Monitoring System. Urban Air Pollution. Nairobi: United nations environment health, 1991.
Tohutoro MLA (9th ed.)
Global Environmental Monitoring System. Urban Air Pollution. United nations environment health, 1991.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.