Dyfyniad APA

Graebner, W., & Richards, L. L. (2001). The American record: Images of the nation's past (4th ed.). Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Graebner, William., và Leonard L. Richards. The American Record: Images of the Nation's Past. 4th ed. Boston: McGraw-Hill, 2001.

Dyfyniad MLA

Graebner, William., và Leonard L. Richards. The American Record: Images of the Nation's Past. 4th ed. Boston: McGraw-Hill, 2001.

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