Gaya APA
Tollens, E, &, T, J, D. (2006).
World food security and agriculture in a globalizing world:Challenges and ethics. .
:
.
Gaya MLA
Tollens, Eric, &, Tavernier,, Johan, De.
"World food security and agriculture in a globalizing world:Challenges and ethics. ".
:
,
2006.
Majalah.