Gaya APA
Wijayakusuma, H. (2003).
Proteksi Dini Terhadap SARS ( Severe Acute Respiratory Syndrome) .
Jakarta:
Pustaka Populer Obor.
Gaya MLA
Wijayakusuma, Hembing.
"Proteksi Dini Terhadap SARS ( Severe Acute Respiratory Syndrome)".
Jakarta:
Pustaka Populer Obor,
2003.
Text.