Cita APA (7th ed.)

GREEN JEN. (2019). THE ENVIRONMENT CHALLENGE - REDUCING POLLUTION AND WASTE (2014 Ed.). RAINTREE PUBLISHERS.

Cita Chicago (17th ed.)

GREEN JEN. THE ENVIRONMENT CHALLENGE - REDUCING POLLUTION AND WASTE. 2014 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.

Cita MLA (9th ed.)

GREEN JEN. THE ENVIRONMENT CHALLENGE - REDUCING POLLUTION AND WASTE. 2014 Ed. RAINTREE PUBLISHERS, 2019.