Παραπομπή σε μορφή APA (7η εκδ.)

PARKER VIC. (2019). LET'S THINK ABOUT THE SUSTAINABLE ENERGY (2018 Ed.). RAINTREE PUBLISHERS.

Παραπομπή σε μορφή Chicago (17η εκδ.)

PARKER VIC. LET'S THINK ABOUT THE SUSTAINABLE ENERGY. 2018 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

PARKER VIC. LET'S THINK ABOUT THE SUSTAINABLE ENERGY. 2018 Ed. RAINTREE PUBLISHERS, 2019.