Gaya APA
Tathagati, A.
(2017).
Step by Step Membuat SOP (Standard Operation Procedure)
.
Sleman:
Efata Publishing.
Gaya MLA
Tathagati, Arini.
"Step by Step Membuat SOP (Standard Operation Procedure)".
Sleman:
Efata Publishing,
2017.
Text.