Arif, N. L., & Abdullah, A. M. (2011). Ozone pollution and historical trends of surface background ozone level: A review. IDOSI Publications.
Chicago Style (17th ed.) CitationArif, Nor Liyana, and Ahmad Makmom Abdullah. Ozone Pollution and Historical Trends of Surface Background Ozone Level: A Review. IDOSI Publications, 2011.
MLA (9th ed.) CitationArif, Nor Liyana, and Ahmad Makmom Abdullah. Ozone Pollution and Historical Trends of Surface Background Ozone Level: A Review. IDOSI Publications, 2011.
Warning: These citations may not always be 100% accurate.