Gaya APA
Kusuma, P., H., W. (2003).
Proteksi dini terhadap SARS (Severete Acute Respinatory Syndrome) .
Jakarta:
Pustaka Populer Obior.
Gaya MLA
Kusuma, P., H., W..
Proteksi dini terhadap SARS (Severete Acute Respinatory Syndrome).
Jakarta:
Pustaka Populer Obior,
2003.
Text.