APA (7th ed.) Citation

Ratnam, K. J., Ahmad Farhan Mohd.Sadullah, & Sam,T. W. (2004). Environmental management and engineering. Penerbit Universiti Sains Malaysia.

Chicago Style (17th ed.) Citation

Ratnam, K. J., Ahmad Farhan Mohd.Sadullah, and Sam,T. W. Environmental Management and Engineering. Pulau Pinang: Penerbit Universiti Sains Malaysia, 2004.

MLA (8th ed.) Citation

Ratnam, K. J., et al. Environmental Management and Engineering. Penerbit Universiti Sains Malaysia, 2004.

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