Preel, M. Plastic, chemical pollution beyond planet's safe limit - study. Manila Bulletin.
Chicago Style (17th ed.) CitationPreel, Marc. "Plastic, Chemical Pollution Beyond Planet's Safe Limit - Study." Manila Bulletin .
ציטוט MLAPreel, Marc. "Plastic, Chemical Pollution Beyond Planet's Safe Limit - Study." Manila Bulletin, .
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.