Davis, I. C. (1954). Teacher's manual and answer book to accompany Science 1 and Science 2. Henry Holt and Co..
Citace podle Chicago (17th ed.)Davis, Ira C. Teacher's Manual and Answer Book to Accompany Science 1 and Science 2. New York: Henry Holt and Co., 1954.
Citace podle MLA (8th ed.)Davis, Ira C. Teacher's Manual and Answer Book to Accompany Science 1 and Science 2. Henry Holt and Co., 1954.
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