Gaya APA
Tathagati, A.
(2017).
Step by step membuat SOP : standard operating procedure
.
Yogyakarta:
Efata Pubhlishing.
Gaya MLA
Tathagati, Arini.
"Step by step membuat SOP : standard operating procedure".
Yogyakarta:
Efata Pubhlishing,
2017.
Text.