Ostwald, W., & Berg, H. (1978). [Teils.] Gedanken zur Biosphäre: 6 Essays. Geest u. Portig.
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Chicago Style (17th ed.) Citation
Ostwald, Wilhelm, and Hermann Berg. [Teils.] Gedanken Zur Biosphäre: 6 Essays. Leipzig: Geest u. Portig, 1978.
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MLA引文
Ostwald, Wilhelm, and Hermann Berg. [Teils.] Gedanken Zur Biosphäre: 6 Essays. Geest u. Portig, 1978.
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警告：這些引文格式不一定是100％准確.