Wolfram Research (1988)，Rectangle，Wolfram 语言函数，https://reference.wolfram.com/language/ref/Rectangle.html （更新于 2019 年）.

Wolfram 语言. 1988. "Rectangle." Wolfram 语言与系统参考资料中心. Wolfram Research. 最新版本 2019. https://reference.wolfram.com/language/ref/Rectangle.html.

Wolfram 语言. (1988). Rectangle. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/Rectangle.html 年

@misc{reference.wolfram_2024_rectangle, author="Wolfram Research", title="{Rectangle}", year="2019", howpublished="\url{https://reference.wolfram.com/language/ref/Rectangle.html}", note=[Accessed: 15-July-2024 ]}

@online{reference.wolfram_2024_rectangle, organization={Wolfram Research}, title={Rectangle}, year={2019}, url={https://reference.wolfram.com/language/ref/Rectangle.html}, note=[Accessed: 15-July-2024 ]}