Gaya APA
Aritonang, F, L, B, J, S.
(2006).
On the edge of many worlds
.
Zoetermeer:
Meinema.
Gaya MLA
Aritonang, Freek, L, Bakker,, Jan, Sihar.
"On the edge of many worlds".
Zoetermeer:
Meinema,
2006.
Book.