Gaya APA
Wittgenstein, L. (2013).
Brave to Speak English Like a Native Speaker (2013 : Cetakan Ke 3).
Jakarta:
International Language Centr.
Gaya MLA
Wittgenstein, Ludwing.
"Brave to Speak English Like a Native Speaker".
2013 : Cetakan Ke 3
Jakarta:
International Language Centr,
2013.
Text.