Jusay, A. (2002). How five youngsters became full-fledged environmentalists. Manila Bulletin.
Chicago-viite (17. p.)Jusay, Annalyn. "How Five Youngsters Became Full-fledged Environmentalists." Manila Bulletin 2002.
MLA-viite (9. p.)Jusay, Annalyn. "How Five Youngsters Became Full-fledged Environmentalists." Manila Bulletin, 2002.
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