Dyfyniad APA

BARNHAM KAY. (2019). SCIENCE BIOGRAPHIES THOMAS EDISON (2018 Ed.). RAINTREE PUBLISHERS.

Dyfyniad Arddull Chicago

BARNHAM KAY. SCIENCE BIOGRAPHIES THOMAS EDISON. 2018 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.

Dyfyniad MLA

BARNHAM KAY. SCIENCE BIOGRAPHIES THOMAS EDISON. 2018 Ed. RAINTREE PUBLISHERS, 2019.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.