APA citiranje

Littner, M. R. (1981). Chest Diseases—Epitomes of Progress: Respiratory Disturbances in Sleep.

Citação norma Chicago

Littner, Michael R. Chest Diseases—Epitomes of Progress: Respiratory Disturbances in Sleep. 1981.

MLA citiranje

Littner, Michael R. Chest Diseases—Epitomes of Progress: Respiratory Disturbances in Sleep. 1981.

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