Gaya APA
Tathagati, A.
(2014).
Step by Step Membuat SOP (Standard Operating Procedure)
.
Yogyakarta:
Efata Publishing.
Gaya MLA
Tathagati, Arini.
"Step by Step Membuat SOP (Standard Operating Procedure)".
Yogyakarta:
Efata Publishing,
2014.
Text.