APA aipamena

WIJETILLEKE, L. Air quality management: Considerations for developing countries. The World Bank.

Chicago Style aipamena

WIJETILLEKE, Lakdasa. Air Quality Management: Considerations for Developing Countries. The World Bank.

MLA aipamena

WIJETILLEKE, Lakdasa. Air Quality Management: Considerations for Developing Countries. The World Bank.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.