APA (7th ed.) Citation

Wong, C. M. (2016). Investigation on energy efficiency of HVAC air filter.

Chicago Style (17th ed.) Citation

Wong, Chun Mun. Investigation on Energy Efficiency of HVAC Air Filter. 2016.

MLA (8th ed.) Citation

Wong, Chun Mun. Investigation on Energy Efficiency of HVAC Air Filter. 2016.

Warning: These citations may not always be 100% accurate.