APA aipamena

Johnston, S. L., & Oliver, R. M. (1988). Cardiac tamponade due to pneumopericardium.

Chicago Style aipamena

Johnston, S L., and R M. Oliver. Cardiac Tamponade Due to Pneumopericardium. 1988.

MLA aipamena

Johnston, S L., and R M. Oliver. Cardiac Tamponade Due to Pneumopericardium. 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.