APA Style
101 IDEAS TO SAVE OUR WORLD. (2001).
Djakarta:
.
Chicago Style
101 IDEAS TO SAVE OUR WORLD.
.
Djakarta:
,
2001.
Buku.
MLA Style
101 IDEAS TO SAVE OUR WORLD.
.
Djakarta:
,
2001.
Buku.
Turabian Style
101 IDEAS TO SAVE OUR WORLD.
Djakarta:
,
2001.
Buku.