APA (7th ed.) Citation

韵律讲成语: 杞人忧天. 中国少年儿童.

Chicago Style (17th ed.) Citation

韵律讲成语: 杞人忧天. 中国少年儿童.

MLA (8th ed.) Citation

韵律讲成语: 杞人忧天. 中国少年儿童.

Warning: These citations may not always be 100% accurate.