Betonio, S. M. Low cost water purifier for residents of urban poor communities.
芝加哥风格引文Betonio, Salvador M. Low Cost Water Purifier for Residents of Urban Poor Communities. Thesis (BFA)--University of the Philippines.
MLA引文Betonio, Salvador M. Low Cost Water Purifier for Residents of Urban Poor Communities.
警告：这些引文格式不一定是100％准确.