APA引文

Yi, L., & Feng, Z. Y. (2015). Retractable syringe.

Chicago Style Citation

Yi, Lei, and Zhou Yu Feng. Retractable Syringe. 2015.

MLA引文

Yi, Lei, and Zhou Yu Feng. Retractable Syringe. 2015.

警告：這些引文格式不一定是100％准確.