APA-čujuhus (7. p.)

Cazzola, M., Anzueto, A., Blasi, F., & Sethi, S. P. (2009). Acute Exacerbations in COPD. NetLibrary, Incorporated.

Chicago-čujuhus (17. p.)

Cazzola, Mario, A. Anzueto, F. Blasi, juo S. Prakash Sethi. Acute Exacerbations in COPD. Boulder: NetLibrary, Incorporated, 2009.

MLA-čujuhus (9. p.)

Cazzola, Mario, et al. Acute Exacerbations in COPD. NetLibrary, Incorporated, 2009.

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