Dyfyniad APA

Dana, A. G. (1928). Porto Rico's Case, Outcome of American Soverignity, 1898-24, 1925-28. New Haven, Conn.

Dyfyniad Arddull Chicago

Dana, Arnold Guyot. Porto Rico's Case, Outcome of American Soverignity, 1898-24, 1925-28. New Haven, Conn, 1928.

Dyfyniad MLA

Dana, Arnold Guyot. Porto Rico's Case, Outcome of American Soverignity, 1898-24, 1925-28. New Haven, Conn, 1928.

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