Gaya APA
Suwatno. (2020).
Public speaking .
Jakarta:
Erlangga.
Gaya Chicago
Suwatno.
Public speaking.
Jakarta:
Erlangga,
2020.
Text.
Gaya MLA
Suwatno.
Public speaking.
Jakarta:
Erlangga,
2020.
Text.
Gaya Turabian
Suwatno.
Public speaking.
Jakarta:
Erlangga,
2020.
Print.