Godfrey, H. (1910). A laboratory manual to accompany Godfrey's Elementary chemistry. Longmans, Green, and co..
Chicago-viite (17. p.)Godfrey, Hollis. A Laboratory Manual to Accompany Godfrey's Elementary Chemistry. New York: Longmans, Green, and co., 1910.
MLA-viite (8. p.)Godfrey, Hollis. A Laboratory Manual to Accompany Godfrey's Elementary Chemistry. Longmans, Green, and co., 1910.
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