Sharma,Toran. Shrestha,Iswori Lal. Pokhrel,Amod. (2001). Determination of National standards for ambient and indoor air quality.
Cita Chicago (17th ed.)Sharma,Toran. Shrestha,Iswori Lal. Pokhrel,Amod. Determination of National Standards for Ambient and Indoor Air Quality. 2001.
Cita MLA (8th ed.)Sharma,Toran. Shrestha,Iswori Lal. Pokhrel,Amod. Determination of National Standards for Ambient and Indoor Air Quality. 2001.
Atenció: Aquestes cites poden no estar 100% correctes.