Salam, A., Rojek, A., Cai, E., Raberahona, M., & Horby, P. (2020). Deaths associated with pneumonic plague, 1946-2017. Centers for Disease Control and Prevention.
Chicago-viite (17. p.)Salam, AP, A. Rojek, E. Cai, M. Raberahona, ja P. Horby. Deaths Associated with Pneumonic Plague, 1946-2017. Centers for Disease Control and Prevention, 2020.
MLA-viite (9. p.)Salam, AP, et al. Deaths Associated with Pneumonic Plague, 1946-2017. Centers for Disease Control and Prevention, 2020.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.