Dyfyniad APA
Wrede, J. (2010). Trees, shrubs, and vines of the Texas Hill Country: A field guide (2nd ed., rev.). Texas A&M University Press.
Dyfyniad Arddull Chicago
Wrede, Jan. Trees, Shrubs, and Vines of the Texas Hill Country: A Field Guide. 2nd ed., rev. College Station: Texas A&M University Press, 2010.
Dyfyniad MLA
Wrede, Jan. Trees, Shrubs, and Vines of the Texas Hill Country: A Field Guide. 2nd ed., rev. Texas A&M University Press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.