Gaya APA
TAMBUNAN, R, M. (2008).
Pedoman Penyusunan Standard Operating Procedures ( SOP) .
[Japan]:
Maiestas Publishing.
Gaya MLA
TAMBUNAN, Rudi, M..
"Pedoman Penyusunan Standard Operating Procedures ( SOP)".
[Japan]:
Maiestas Publishing,
2008.
Text.