APA Style

Usyinara, . et al (2008). Sputum Bacterioogy of Acute Bacteria Exacerbations of COPD with Quantitative Sputum Culture: Microbiological and Antimicrobials Resistance Pattern . Jakarta: Perhimpunan Dokter Paru Indonesia.

MLA Style

Usyinara, . et al. "Sputum Bacterioogy of Acute Bacteria Exacerbations of COPD with Quantitative Sputum Culture: Microbiological and Antimicrobials Resistance Pattern". Jakarta: Perhimpunan Dokter Paru Indonesia, 2008. Text.