APA Style
Sirait, Charles Bonar. (2015).
Public Speaking and Business : Etika Berbicara dalam Forum Bisnis .
Jakarta:
Elex Media Komputindo.
Chicago Style
Sirait, Charles Bonar.
Public Speaking and Business : Etika Berbicara dalam Forum Bisnis.
Jakarta:
Elex Media Komputindo,
2015.
Books.
MLA Style
Sirait, Charles Bonar.
Public Speaking and Business : Etika Berbicara dalam Forum Bisnis.
Jakarta:
Elex Media Komputindo,
2015.
Books.
Turabian Style
Sirait, Charles Bonar.
Public Speaking and Business : Etika Berbicara dalam Forum Bisnis.
Jakarta:
Elex Media Komputindo,
2015.
Books.