Gaya APA
Sachs, Jeffrey D.. (2015).
The age of sustainable development .
New York:
Columbia University Press.
Gaya Chicago
Sachs, Jeffrey D..
The age of sustainable development.
New York:
Columbia University Press,
2015.
Text.
Gaya MLA
Sachs, Jeffrey D..
The age of sustainable development.
New York:
Columbia University Press,
2015.
Text.
Gaya Turabian
Sachs, Jeffrey D..
The age of sustainable development.
New York:
Columbia University Press,
2015.
Print.