International College of Surgeons. (2004). XXXIV World Congress f the International College of Surgeons, October from 6 to 10, year 2004, Quito, Ecuador: Final program (Trigésima cuarta.). Editorial International College of Surgeons.
芝加哥风格引文International College of Surgeons. XXXIV World Congress F the International College of Surgeons, October from 6 to 10, Year 2004, Quito, Ecuador: Final Program. Trigésima cuarta. Quito: Editorial International College of Surgeons, 2004.
MLA引文International College of Surgeons. XXXIV World Congress F the International College of Surgeons, October from 6 to 10, Year 2004, Quito, Ecuador: Final Program. Trigésima cuarta. Editorial International College of Surgeons, 2004.
警告：这些引文格式不一定是100％准确.