Gaya APA
Jasmansyah, . (2020).
Upgrade your english : Reading, Speaking, Writing and listening (cet.1).
Banyumas:
Pena Perada.
Gaya MLA
Jasmansyah, .
"Upgrade your english : Reading, Speaking, Writing and listening".
cet.1
Banyumas:
Pena Perada,
2020.
Text.