Steen, G. E., & Steen, R. W. (1963). Your Texas heritage. Steck Company.
Lua i Stíl Chicago (17ú heag.)Steen, Gladys E., agus Ralph Wright Steen. Your Texas Heritage. Austin, Tex.: Steck Company, 1963.
Lua MLA (8ú heag.)Steen, Gladys E., agus Ralph Wright Steen. Your Texas Heritage. Steck Company, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.