APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.