Gaya APA
Napitupulu, S., Napitupulu, F, D.
(2020).
The functional texts
(
cet.1)
.
Yogyakarta:
Deepublish.
Gaya MLA
Napitupulu, Selviana., Napitupulu, Fenty, Debora.
"The functional texts".
cet.1
Yogyakarta:
Deepublish,
2020.
Text.