Gaya APA

PAULSEN, H, M. (2011). improving green-house gas balances of organic farms by the use of straight vegetable oil from mixed . Hamburg-Germany: vTI.

Gaya MLA

PAULSEN, Hans, Marten. "improving green-house gas balances of organic farms by the use of straight vegetable oil from mixed ". Hamburg-Germany: vTI, 2011. Artikel.