APA (7th ed.) Citation

Barkawi, S., Nor Mariah, A., & Decruz, A. (2011). Noise problems in air conditioning installations. The Institution of Engineers, Malaysia.

Chicago Style (17th ed.) Citation

Barkawi, Sahari, Adam Nor Mariah, and Aloysius Decruz. Noise Problems in Air Conditioning Installations. The Institution of Engineers, Malaysia, 2011.

MLA (9th ed.) Citation

Barkawi, Sahari, et al. Noise Problems in Air Conditioning Installations. The Institution of Engineers, Malaysia, 2011.