Gaya APA
Riyadina, W. (2011).
Suspected alcohol and addictive narcotic use were more at risk to severe head injury .
Jakarta:
Sekretariat Badan Litbangkes.
Gaya MLA
Riyadina, Woro.
"Suspected alcohol and addictive narcotic use were more at risk to severe head injury".
Jakarta:
Sekretariat Badan Litbangkes,
2011.
Text.