PARKER VIC. (2019). LET'S THINK ABOUT THE SUSTAINABLE ENERGY (2018 Ed.). RAINTREE PUBLISHERS.
Chicago-čujuhus (17. p.)PARKER VIC. LET'S THINK ABOUT THE SUSTAINABLE ENERGY. 2018 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.
MLA-čujuhus (9. p.)PARKER VIC. LET'S THINK ABOUT THE SUSTAINABLE ENERGY. 2018 Ed. RAINTREE PUBLISHERS, 2019.
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