ÎÖ¿Ë & ÎéµÂ. (2019). 40¸öÒÅ´«ºÍÈËÌå¿ÆÑ§ÊµÑé: Facts on file science experiments. ÉϺ£¿ÆÑ§¼¼ÊõÎÄÏ׳ö°æÉç.
Chicago Style (17th ed.) CitationÎÖ¿Ë and ÎéµÂ. 40¸öÒÅ´«ºÍÈËÌå¿ÆÑ§ÊµÑé: Facts on File Science Experiments. ÉϺ£¿ÆÑ§¼¼ÊõÎÄÏ׳ö°æÉç, 2019.
MLA citiranjeÎÖ¿Ë and ÎéµÂ. 40¸öÒÅ´«ºÍÈËÌå¿ÆÑ§ÊµÑé: Facts on File Science Experiments. ÉϺ£¿ÆÑ§¼¼ÊõÎÄÏ׳ö°æÉç, 2019.
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