Dyfyniad APA

Memoirs of the American Academy of Arts and Sciences. American Academy of Arts & Sciences.

Dyfyniad Arddull Chicago

Memoirs of the American Academy of Arts and Sciences. American Academy of Arts & Sciences.

Dyfyniad MLA

Memoirs of the American Academy of Arts and Sciences. American Academy of Arts & Sciences.

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