(NHRC), N. H. R. C. (2013). Assessment of noise pollution and development of criteria for its prevention and control.
Chicago-referens (17:e uppl.)(NHRC), Nepal Health Research Council. Assessment of Noise Pollution and Development of Criteria for Its Prevention and Control. 2013.
MLA-referens (8:e uppl.)(NHRC), Nepal Health Research Council. Assessment of Noise Pollution and Development of Criteria for Its Prevention and Control. 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.