Style de citation APA

Helm, W. H. (1951). The Importance of Sleeping Posture in the Spread of Pulmonary Tuberculosis.

Style de citation Chicago

Helm, W. H. The Importance of Sleeping Posture in the Spread of Pulmonary Tuberculosis. 1951.

Style de citation MLA

Helm, W. H. The Importance of Sleeping Posture in the Spread of Pulmonary Tuberculosis. 1951.

Attention : ces citations peuvent ne pas être correctes à 100%.