Dyfyniad APA

SOMERVIL BARBARA. (2019). THE STORY BEHIND RUBBER (2012 Ed.). RAINTREE PUBLISHERS.

Dyfyniad Arddull Chicago

SOMERVIL BARBARA. THE STORY BEHIND RUBBER. 2012 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.

Dyfyniad MLA

SOMERVIL BARBARA. THE STORY BEHIND RUBBER. 2012 Ed. RAINTREE PUBLISHERS, 2019.

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