Exler, F. X. J. (1923). The form of the ancient Greek letter: A study in Greek epistolography. Catholic University of America.
Lua i Stíl Chicago (17ú heag.)Exler, Francis Xavier J. The Form of the Ancient Greek Letter: A Study in Greek Epistolography. Washington, D.C.: Catholic University of America, 1923.
Lua MLA (8ú heag.)Exler, Francis Xavier J. The Form of the Ancient Greek Letter: A Study in Greek Epistolography. Catholic University of America, 1923.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.