Dyfyniad APA

Ritchie, D. A., & Broussard, A. S. (1997). American history: : the early year to 1877. New York:  Glencoe/McGraw-Hill.

Dyfyniad Arddull Chicago

Ritchie, Donald A., và Albert S. Broussard. American History: : The Early Year to 1877. New York:  Glencoe/McGraw-Hill, 1997.

Dyfyniad MLA

Ritchie, Donald A., và Albert S. Broussard. American History: : The Early Year to 1877. New York:  Glencoe/McGraw-Hill, 1997.

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