Chew, B. P. (2002). Sistem maklumat penapis air / Chew Boon Piew.
Chicago Style (17th ed.) CitationChew, Boon Piew. Sistem Maklumat Penapis Air / Chew Boon Piew. 2002.
MLA引文Chew, Boon Piew. Sistem Maklumat Penapis Air / Chew Boon Piew. 2002.
警告：這些引文格式不一定是100％准確.