Eggertson, L. (2007). Calgary seeks help to identify E. coli source. Canadian Medical Association.
Citação norma ChicagoEggertson, Laura. Calgary Seeks Help to Identify E. Coli Source. Canadian Medical Association, 2007.
MLA引文Eggertson, Laura. Calgary Seeks Help to Identify E. Coli Source. Canadian Medical Association, 2007.
警告:這些引文格式不一定是100%准確.