APA (7th ed.) Citation

Ponniah, J. G. (1981). Environmental pollution: Knowledge and attitudes of Malaysian secondary school students.

Chicago Style (17th ed.) Citation

Ponniah, Judy G. Environmental Pollution: Knowledge and Attitudes of Malaysian Secondary School Students. 1981.

MLA (8th ed.) Citation

Ponniah, Judy G. Environmental Pollution: Knowledge and Attitudes of Malaysian Secondary School Students. 1981.

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