APA (7th ed.) Citation

Tan, N. C. (1989). Sewage odour evaluation and quantification.

Chicago Style (17th ed.) Citation

Tan, Ngo Chiaw. Sewage Odour Evaluation and Quantification. 1989.

MLA (8th ed.) Citation

Tan, Ngo Chiaw. Sewage Odour Evaluation and Quantification. 1989.

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