APA Style
Sirait, Charles Bonar, Sirait, Bunga. (2016).
The Power of Public Speaking .
Jakarta:
Gramedia.
Chicago Style
Sirait, Charles Bonar, Sirait, Bunga.
The Power of Public Speaking.
Jakarta:
Gramedia,
2016.
Text.
MLA Style
Sirait, Charles Bonar, Sirait, Bunga.
The Power of Public Speaking.
Jakarta:
Gramedia,
2016.
Text.
Turabian Style
Sirait, Charles Bonar, Sirait, Bunga.
The Power of Public Speaking.
Jakarta:
Gramedia,
2016.
Print.