Roberts, J. L., & Hollenberg, J. L. (1961). General chemistry in the laboratory (3rd ed.). W.H. Freeman.

Roberts, Julian L., and J. Leland Hollenberg. General Chemistry in the Laboratory. 3rd ed. New York: W.H. Freeman, 1961.

Roberts, Julian L., and J. Leland Hollenberg. General Chemistry in the Laboratory. 3rd ed. W.H. Freeman, 1961.