Gaya APA
Ismanthono, H., W. (2019).
Writing super guide for today's learners : menulis berstandar internasional .
Yogyakarta:
Pustaka Referensi.
Gaya MLA
Ismanthono, Henricus, W..
"Writing super guide for today's learners : menulis berstandar internasional".
Yogyakarta:
Pustaka Referensi,
2019.
Buku Inti.