(2008). Climate Action: Getting greener : getting slimmer, and going digital! / foreword, Ban Ki-moon ; [by] Achim Steiner [and others]].
Čikaški stil citiranja (17. izdanje)Climate Action: Getting Greener : Getting Slimmer, and Going Digital! / Foreword, Ban Ki-moon ; [by] Achim Steiner [and Others]]. 2008.
MLA način citiranja (9. izdanje)Climate Action: Getting Greener : Getting Slimmer, and Going Digital! / Foreword, Ban Ki-moon ; [by] Achim Steiner [and Others]]. 2008.
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