Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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