Bridgman, H. A. Global air pollution problems for the 1990s. John Wiley and Sons.
Čikaški stil citiranja (17. izdanje)Bridgman, Howard A. Global Air Pollution Problems for the 1990s. John Wiley and Sons.
MLA način citiranja (8. izdanje)Bridgman, Howard A. Global Air Pollution Problems for the 1990s. John Wiley and Sons.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.