Dyfyniad APA

Departament of Extension Programs. Mobile by Alexander Calder.

Dyfyniad Arddull Chicago

Departament of Extension Programs. Mobile by Alexander Calder.

Dyfyniad MLA

Departament of Extension Programs. Mobile by Alexander Calder.

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