CARIN, A. A., & SUND, R. B. (1975). Teaching modern science.-- Ed. 2. Charles E. Merril Pub Co.
Chicago-čujuhus (17. p.)CARIN, Arthur A., juo Robert B. SUND. Teaching Modern Science.-- Ed. 2. Columbus: Charles E. Merril Pub Co, 1975.
MLA-čujuhus (9. p.)CARIN, Arthur A., juo Robert B. SUND. Teaching Modern Science.-- Ed. 2. Charles E. Merril Pub Co, 1975.
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