Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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.