McClellan, A. L. (1963). Chemistry and experimental science teacher's guide: Chemical Education Material Study. W.H. Freeman and Company.
Cita Chicago (17th ed.)McClellan, A. L. Chemistry and Experimental Science Teacher's Guide: Chemical Education Material Study. San Francisco: W.H. Freeman and Company, 1963.
Cita MLA (9th ed.)McClellan, A. L. Chemistry and Experimental Science Teacher's Guide: Chemical Education Material Study. W.H. Freeman and Company, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.