Kunkel, S. L., & Robertson, D. C. (1979). Purification and Chemical Characterization of the Heat-Labile Enterotoxin Produced by Enterotoxigenic Escherichia coli.
Citação norma ChicagoKunkel, Steven L., and Donald C. Robertson. Purification and Chemical Characterization of the Heat-Labile Enterotoxin Produced By Enterotoxigenic Escherichia Coli. 1979.
MLA引文Kunkel, Steven L., and Donald C. Robertson. Purification and Chemical Characterization of the Heat-Labile Enterotoxin Produced By Enterotoxigenic Escherichia Coli. 1979.
警告：這些引文格式不一定是100％准確.