Dyfyniad APA

Miller, J. (2006). National Geographic almanac of American history. Washington, D.C: National Geographic.

Dyfyniad Arddull Chicago

Miller, James. National Geographic Almanac of American History. Washington, D.C: National Geographic, 2006.

Dyfyniad MLA

Miller, James. National Geographic Almanac of American History. Washington, D.C: National Geographic, 2006.

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