1. Jane D. Mac, Noise & Noise Measurement, http://www.southwoodresources.com.au/southwood/pdf/planning/APPMSEMF.PDF.
2. Brüel & Kjaer, Measuring Sound, http://www.bk.dk.
3. Brüel & Kjaer, Environmental Noise measurement, https://www.bksv.com/media/doc/br0139.pdf.
4. Malchaire J.,Sound Measuring Instruments, 1994, http://www.who.int/occupational_health/publications/noise6.pdf.
5. Department of Environment and Heritage Protection, Queensland Government, Noise Measurement Manual, ver.4, 2013.