Angier, N. A mystery from earth's hot, dense inner core. IN The New York Times: Science & Technology. Manila Bulletin.
Cita Chicago (17th ed.)Angier, Natalie. "A Mystery from Earth's Hot, Dense Inner Core. IN The New York Times: Science & Technology." Manila Bulletin .
Cita MLA (9th ed.)Angier, Natalie. "A Mystery from Earth's Hot, Dense Inner Core. IN The New York Times: Science & Technology." Manila Bulletin, .
Atenció: Aquestes cites poden no estar 100% correctes.