Gaya APA
Charles Bonar Sirait, SE., MM.. (2015).
Public Speaking And Bussiness .
Jakarta:
PT Elex Media Komputindo.
Gaya Chicago
Charles Bonar Sirait, SE., MM..
Public Speaking And Bussiness.
Jakarta:
PT Elex Media Komputindo,
2015.
.
Gaya MLA
Charles Bonar Sirait, SE., MM..
Public Speaking And Bussiness.
Jakarta:
PT Elex Media Komputindo,
2015.
.
Gaya Turabian
Charles Bonar Sirait, SE., MM..
Public Speaking And Bussiness.
Jakarta:
PT Elex Media Komputindo,
2015.
.