Gaya APA
Ismanthono, H, W. (2019).
Master your business communication skills .
Yogyakarta::
Yogyakarta: Penerbit Andi, 2019.
Gaya MLA
Ismanthono, Henricus, W..
"Master your business communication skills".
Yogyakarta::
Yogyakarta: Penerbit Andi, 2019,
2019.
Ebook.