Gaya APA
Hojanto, O. (2018).
Public Speaking Mastery In Action 64 Tips Dan Trik Presentasi .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Hojanto, Ongky.
"Public Speaking Mastery In Action 64 Tips Dan Trik Presentasi".
Jakarta:
Gramedia Pustaka Utama,
2018.
Text.