Gaya APA

Healey, C, S. (1970). The invisible Church and the visible Church in the writings of George Tyrrell. Excerpta ex dissertatione. . Roma: PUG.

Gaya MLA

Healey, C.J.,, S.J.. "The invisible Church and the visible Church in the writings of George Tyrrell. Excerpta ex dissertatione. ". Roma: PUG, 1970. Buku.