APA引文

(2001). Ophthalmic drug facts 2001. Missouri: Facts and Comparisons.

Trích dẫn kiểu Chicago

Ophthalmic Drug Facts 2001. Missouri: Facts and Comparisons, 2001.

MLA引文

Ophthalmic Drug Facts 2001. Missouri: Facts and Comparisons, 2001.

警告：這些引文格式不一定是100％准確.