Gaya APA
Tambunan, R, M.
(2008).
Pedoman Penyusunan Standard Operating Procedures (SOP)
.
Jakarta:
Maiestas Publising.
Gaya MLA
Tambunan, Rudi, M..
"Pedoman Penyusunan Standard Operating Procedures (SOP)".
Jakarta:
Maiestas Publising,
2008.
book.