Gaya APA
The Toba Batak fighting for environmental justice (1988 to 2003) / Situmorang, Abdul Wahib. (2005).
:
Jakarta : WALHI Sumatera Utara.
Gaya MLA
The Toba Batak fighting for environmental justice (1988 to 2003) / Situmorang, Abdul Wahib.
.
:
Jakarta : WALHI Sumatera Utara,
2005.
Text.