Pennybacker, P. V. (1908). A history of Texas for schools: Also for general reading and for teachers preparing themselves for examination (Rev. (1908) ed.). Mrs. P.V. Pennybacker.
Lua i Stíl Chicago (17ú heag.)Pennybacker, Percy V. A History of Texas for Schools: Also for General Reading and for Teachers Preparing Themselves for Examination. Rev. (1908) ed. Austin, Tex.: Mrs. P.V. Pennybacker, 1908.
Lua MLA (8ú heag.)Pennybacker, Percy V. A History of Texas for Schools: Also for General Reading and for Teachers Preparing Themselves for Examination. Rev. (1908) ed. Mrs. P.V. Pennybacker, 1908.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.