Dyfyniad APA

United States. Census Office. 6th census, 1840, & United States. National Archives and Records Service. (1969). Census of mines, agriculture, commerce, and manufacturing, New York, 1840. National Archives and Records Service.

Dyfyniad Arddull Chicago

United States. Census Office. 6th census, 1840, and United States. National Archives and Records Service. Census of Mines, Agriculture, Commerce, and Manufacturing, New York, 1840. Washington, [D.C.]: National Archives and Records Service, 1969.

Dyfyniad MLA

United States. Census Office. 6th census, 1840, and United States. National Archives and Records Service. Census of Mines, Agriculture, Commerce, and Manufacturing, New York, 1840. National Archives and Records Service, 1969.

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