文本

Wolfram Research (1996)，DoubleLongLeftArrow，Wolfram 语言函数，https://reference.wolfram.com/language/ref/DoubleLongLeftArrow.html.

CMS

Wolfram 语言. 1996. "DoubleLongLeftArrow." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/DoubleLongLeftArrow.html.

APA

Wolfram 语言. (1996). DoubleLongLeftArrow. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/DoubleLongLeftArrow.html 年

BibTeX

@misc{reference.wolfram_2024_doublelongleftarrow, author="Wolfram Research", title="{DoubleLongLeftArrow}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/DoubleLongLeftArrow.html}", note=[Accessed: 21-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_doublelongleftarrow, organization={Wolfram Research}, title={DoubleLongLeftArrow}, year={1996}, url={https://reference.wolfram.com/language/ref/DoubleLongLeftArrow.html}, note=[Accessed: 21-November-2024 ]}