Gaya APA
D., F, N., Ishartadi, A.
(2019).
The Guide Book Of SOP
(
Cet. 1)
.
Yogyakarta:
Quadrant.
Gaya MLA
D., Fajar, Nur'aini., Ishartadi, Arif.
"The Guide Book Of SOP".
Cet. 1
Yogyakarta:
Quadrant,
2019.
Text.