Stephen Marshak. (2019). Earth: Portrait of a Planet (Sixth.). W.W. Norton.
Čikaški stil citiranjaStephen Marshak. Earth: Portrait of a Planet. Sixth. NewYork: W.W. Norton, 2019.
MLA način citiranjaStephen Marshak. Earth: Portrait of a Planet. Sixth. W.W. Norton, 2019.
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