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