Dyfyniad APA
Aston, B. W., Taylor, I. D., & Richardson, R. N. (1997). Along the Texas forts trail. University of North Texas Press.
Dyfyniad Arddull Chicago
Aston, B. W., Ira Donathan Taylor, and Rupert Norval Richardson. Along the Texas Forts Trail. Denton, Tex.: University of North Texas Press, 1997.
Dyfyniad MLA
Aston, B. W., et al. Along the Texas Forts Trail. University of North Texas Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.