Trono, M. P. L., & Umali, D. V. A survey of the top 100 drugs used in the Medicine Wards of the Philippine General Hospital for the 1st and 2nd Quarter of 1997.
芝加哥风格引文Trono, Maria Pia L., 与 Daisy V. Umali. A Survey of the Top 100 Drugs Used in the Medicine Wards of the Philippine General Hospital for the 1st and 2nd Quarter of 1997.
MLA引文Trono, Maria Pia L., 与 Daisy V. Umali. A Survey of the Top 100 Drugs Used in the Medicine Wards of the Philippine General Hospital for the 1st and 2nd Quarter of 1997.
警告：这些引文格式不一定是100％准确.