Spiller, R. (2007). Haematemesis with mediastinal lymphadenopathy. BMJ Group.
Chicago Style aipamenaSpiller, Robin. Haematemesis With Mediastinal Lymphadenopathy. BMJ Group, 2007.
MLA aipamenaSpiller, Robin. Haematemesis With Mediastinal Lymphadenopathy. BMJ Group, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.