Betonio, S. M. Low cost water purifier for residents of urban poor communities.
Chicago Style (17. basım) AtıfBetonio, Salvador M. Low Cost Water Purifier for Residents of Urban Poor Communities. Thesis (BFA)--University of the Philippines.
MLA (9th ed.) AtıfBetonio, Salvador M. Low Cost Water Purifier for Residents of Urban Poor Communities.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..