Dyfyniad APA
Kastor, P. J. (2011). William Clark's world: Describing America in an age of unknowns. Yale University Press.
Dyfyniad Arddull Chicago
Kastor, Peter J. William Clark's World: Describing America in an Age of Unknowns. New Haven [Conn.]: Yale University Press, 2011.
Dyfyniad MLA
Kastor, Peter J. William Clark's World: Describing America in an Age of Unknowns. Yale University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.