APA-referens (7:e uppl.)

Wilczak, P. F. (1980). Toward the extended Christian family. Abbey Press.

Chicago-referens (17:e uppl.)

Wilczak, Paul F. Toward the Extended Christian Family. St. Meinrad, Indiana: Abbey Press, 1980.

MLA-referens (8:e uppl.)

Wilczak, Paul F. Toward the Extended Christian Family. Abbey Press, 1980.