Barnhart, E. R. Physicians' desk reference for nonprescription drugs (7a ed.).
芝加哥风格引文Barnhart, Edward R. Physicians' Desk Reference for Nonprescription Drugs. 7a ed.
MLA引文Barnhart, Edward R. Physicians' Desk Reference for Nonprescription Drugs. 7a ed.
警告：这些引文格式不一定是100％准确.