Gaya APA
Purnama, H. (2025).
Digital Petok (First edition).
Jakarta:
Ministry of Primary and Secondary Education (Pusat Perbukuan).
Gaya MLA
Purnama, Hendra.
"Digital Petok".
First edition
Jakarta:
Ministry of Primary and Secondary Education (Pusat Perbukuan),
2025.
Textbook.