Gaya APA
BROWN, L, R.
(2007).
Plan B 3.0 : Mobilizing to save civilization
.
:
Yayasan Obor Indonesia.
Gaya MLA
BROWN, Lester, R.
"Plan B 3.0 : Mobilizing to save civilization".
:
Yayasan Obor Indonesia,
2007.
Buku.