Kumar, V., & Gupta, J. (2015). Tubal ectopic pregnancy. BMJ Clin Evid.
Chicago Style aipamenaKumar, Vinod, and Janesh Gupta. "Tubal Ectopic Pregnancy." BMJ Clin Evid 2015.
MLA aipamenaKumar, Vinod, and Janesh Gupta. "Tubal Ectopic Pregnancy." BMJ Clin Evid 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.