APA
Hilbeck A., Andow D. A. & Fontes E. M. G. (2006). Environmental risk assessment of genetically modified organisms. Massachusetts: Cabi Publishing.
Chicago
Hilbeck Angelika, Andow David A and Fontes Eliana M G. 2006. Environmental risk assessment of genetically modified organisms. Massachusetts: Cabi Publishing.
Harvard
Hilbeck A., Andow D. A. and Fontes E. M. G. (2006). Environmental risk assessment of genetically modified organisms. Massachusetts: Cabi Publishing.
MLA
Hilbeck Angelika, Andow David A and Fontes Eliana M G. Environmental risk assessment of genetically modified organisms. Massachusetts: Cabi Publishing. 2006.