Gaya APA
Cain, S. (2012).
Quiet : the power of introverts in a world that cant stop talking (Edisi pertama).
USA:
green penguin.
Gaya MLA
Cain, Susan.
"Quiet : the power of introverts in a world that cant stop talking".
Edisi pertama
USA:
green penguin,
2012.
Text.