Friedrich, P. L. (1909). XII. The Operative Treatment of Tuberculosis of the Lungs.
Čikaški stil citiranjaFriedrich, P. L. XII. The Operative Treatment of Tuberculosis of the Lungs. 1909.
MLA način citiranjaFriedrich, P. L. XII. The Operative Treatment of Tuberculosis of the Lungs. 1909.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.