Gaya APA
Yahrif, M. (2020).
Basic writing skills: A handbook for the basic level of university students .
Yogyakarta::
Pustaka Ilmu.
Gaya MLA
Yahrif, Muh..
"Basic writing skills: A handbook for the basic level of university students".
Yogyakarta::
Pustaka Ilmu,
2020.
Text.