Schwartz, M. (1966). Exploring American history: Teacher's guide and answer key ([3rd ed.].). Globe Book Co..
Dyfyniad Arddull ChicagoSchwartz, Melvin. Exploring American History: Teacher's Guide and Answer Key. [3rd ed.]. New York: Globe Book Co., 1966.
Dyfyniad MLASchwartz, Melvin. Exploring American History: Teacher's Guide and Answer Key. [3rd ed.]. Globe Book Co., 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.