Kingsley, N. F. (1902). Four American explorers: Captain Meriwether Lewis, Captain William Clark, General John C. Frémont, Dr. Elisha K. Kane: A book for young Americans. Werner School Book Company.
Dyfyniad Arddull ChicagoKingsley, Nellie F. Four American Explorers: Captain Meriwether Lewis, Captain William Clark, General John C. Frémont, Dr. Elisha K. Kane: A Book for Young Americans. New York, Chicago: Werner School Book Company, 1902.
Dyfyniad MLAKingsley, Nellie F. Four American Explorers: Captain Meriwether Lewis, Captain William Clark, General John C. Frémont, Dr. Elisha K. Kane: A Book for Young Americans. Werner School Book Company, 1902.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.