Dyfyniad APA

Departament of Extension Programs. The Landscapes of Frederic Edwin Church.

Dyfyniad Arddull Chicago

Departament of Extension Programs. The Landscapes of Frederic Edwin Church.

Dyfyniad MLA

Departament of Extension Programs. The Landscapes of Frederic Edwin Church.

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