APA-viite

Une, C., Malespín Bendaña, W., Ramírez-Mayorga, V., Rosero Bixby, L., & Sierra Ramos, R. (2022). Helicobacter pylori infection and serum pepsinogen concentrations in an elderly population representative of Costa Rica.

Chicago-tyylinen lähdeviittaus

Une, Clas, Wendy Malespín Bendaña, Vanessa Ramírez-Mayorga, Luis Rosero Bixby, ja Rafaela Sierra Ramos. Helicobacter Pylori Infection and Serum Pepsinogen Concentrations in an Elderly Population Representative of Costa Rica. 2022.

MLA-viite

Une, Clas, et al. Helicobacter Pylori Infection and Serum Pepsinogen Concentrations in an Elderly Population Representative of Costa Rica. 2022.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.