Gaya APA
Bono, E, D. (2010).
Think Before It's Too Late : Berpikirlah Sebelum Terlambat .
Jakarta:
Gramedia Widiasarana Indonesia.
Gaya MLA
Bono, Edward, De.
"Think Before It's Too Late : Berpikirlah Sebelum Terlambat".
Jakarta:
Gramedia Widiasarana Indonesia,
2010.
Text.