Gaya APA

Siregar, C, A. et al (1996). Asthma Management in the Emergency Room (Asma di Unit Gawat Darurat) . : .

Gaya MLA

Siregar, Chairil, A.. et al. "Asthma Management in the Emergency Room (Asma di Unit Gawat Darurat)". : , 1996. Text.