Eisler, S. M. (1973). Lab-Inquiry text: Earth science. Cambridge.
Cita Chicago (17th ed.)Eisler, Sanford M. Lab-Inquiry Text: Earth Science. New York.: Cambridge, 1973.
Cita MLA (9th ed.)Eisler, Sanford M. Lab-Inquiry Text: Earth Science. Cambridge, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.