Freriks, C. A. (1916). Religious congregations in their external relations. [Columbia polytechnic institute for the blind].
Citazione stile Chigago Style (17a edizione)Freriks, Celestine Anthony. Religious Congregations in Their External Relations. [Washington]: [Columbia polytechnic institute for the blind], 1916.
Citatione MLA (9a ed.)Freriks, Celestine Anthony. Religious Congregations in Their External Relations. [Columbia polytechnic institute for the blind], 1916.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.