Dyfyniad APA

Houston, S., & Roberts, M. T. (1999). 1848-1852. University of North Texas Press.

Dyfyniad Arddull Chicago

Houston, Sam, and Madge Thornall Roberts. 1848-1852. Denton, TX: University of North Texas Press, 1999.

Dyfyniad MLA

Houston, Sam, and Madge Thornall Roberts. 1848-1852. University of North Texas Press, 1999.

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