PARKER VIC. (2019). LET'S THINK ABOUT THE SUSTAINABLE ENERGY (2018 Ed.). RAINTREE PUBLISHERS.
Chicago (17e ed.) BronvermeldingPARKER VIC. LET'S THINK ABOUT THE SUSTAINABLE ENERGY. 2018 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.
MLA (9e ed.) BronvermeldingPARKER VIC. LET'S THINK ABOUT THE SUSTAINABLE ENERGY. 2018 Ed. RAINTREE PUBLISHERS, 2019.
Let op: Deze citaties zijn niet altijd 100% accuraat.