Funk, P. V. (1956). Faith today: Editor in chief: Peter V.K. Funk. Harper.
Lua i Stíl Chicago (17ú heag.)Funk, Peter V.K. Faith Today: Editor in Chief: Peter V.K. Funk. Concord: Harper, 1956.
Lua MLA (8ú heag.)Funk, Peter V.K. Faith Today: Editor in Chief: Peter V.K. Funk. Harper, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.