Gaya APA
Tickner, J, A., Commander, S. (2002).
Precaution, environmental science, and preventive public policy / editor,Joel A.Tickner .
Washington:
Island Press.
Gaya MLA
Tickner, Joel, A.., Commander, Simon.
"Precaution, environmental science, and preventive public policy / editor,Joel A.Tickner".
Washington:
Island Press,
2002.
Text.