(1991). Almanac of American Presidents from 1789 to present: An original compendium of facts and anecdotes about politics and the presidency in the United States of America. New York: Facts on File.
Dyfyniad Arddull ChicagoAlmanac of American Presidents From 1789 to Present: An Original Compendium of Facts and Anecdotes About Politics and the Presidency in the United States of America. New York: Facts on File, 1991.
Dyfyniad MLAAlmanac of American Presidents From 1789 to Present: An Original Compendium of Facts and Anecdotes About Politics and the Presidency in the United States of America. New York: Facts on File, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.