Dyfyniad APA

O'Keefe, K. J. (1972). A thousand deadlines, the New York City Press and american neutrality 1914-1917. Den Haag: Martinus Nijhoff.

Dyfyniad Arddull Chicago

O'Keefe, Kevin J. A Thousand Deadlines, the New York City Press and American Neutrality 1914-1917. Den Haag: Martinus Nijhoff, 1972.

Dyfyniad MLA

O'Keefe, Kevin J. A Thousand Deadlines, the New York City Press and American Neutrality 1914-1917. Den Haag: Martinus Nijhoff, 1972.

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