Tree, M. (1931). PULMONARY ARTERIO-SCLEROSIS AND AYERZA'S DISEASE.
Chicago Style aipamenaTree, M. PULMONARY ARTERIO-SCLEROSIS AND AYERZA'S DISEASE. 1931.
MLA aipamenaTree, M. PULMONARY ARTERIO-SCLEROSIS AND AYERZA'S DISEASE. 1931.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.