Stone, M. (1999). Transmission of Helicobacter pylori. BMJ Group.
Citação norma ChicagoStone, M. Transmission of Helicobacter Pylori. BMJ Group, 1999.
MLA引文Stone, M. Transmission of Helicobacter Pylori. BMJ Group, 1999.
警告：這些引文格式不一定是100％准確.
APA引文