Wastewater treatment. IN Mindanao News. Manila Bulletin.
Chicago Style (17th ed.) Citation"Wastewater Treatment. IN Mindanao News." Manila Bulletin .
ציטוט MLA"Wastewater Treatment. IN Mindanao News." Manila Bulletin, .
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.