Dyfyniad APA

SHREE BOOK SENTRE. (2009). A BIOGRAPHY - CHARLES DARWIN. SHREE BOOK CENTRE.

Dyfyniad Arddull Chicago

SHREE BOOK SENTRE. A BIOGRAPHY - CHARLES DARWIN. SHREE BOOK CENTRE, 2009.

Dyfyniad MLA

SHREE BOOK SENTRE. A BIOGRAPHY - CHARLES DARWIN. SHREE BOOK CENTRE, 2009.

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