Spener, P. J. (1964). Pia desideria. Fortress Press.
Lua i Stíl Chicago (17ú heag.)Spener, Philipp Jakob. Pia Desideria. Philadelphia: Fortress Press, 1964.
Lua MLA (9ú heag.)Spener, Philipp Jakob. Pia Desideria. Fortress Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.